Photo credits

Authors, licences and sources for every image on this site.

138 images

All photographs on this site come from Wikimedia Commons and are either in the public domain or published under Creative Commons licences. Our thanks to every photographer who shares their work.

Images have been resized, cropped to fit the layout and converted to WebP. Where a licence carries a share-alike condition (CC BY-SA), the adapted image shown here is available under the same licence. No endorsement by any author is implied.

Video

Homepage video: excerpts from "Slovenia, Skocjan cave" by Samuel Magal, CC BY 3.0, via Wikimedia Commons. The footage has been trimmed, cropped and re-encoded.

Photographs

Image	Author	Licence	Original
The Divje Babe flute, a perforated cave-bear bone	Petar Milošević	CC BY-SA 4.0	Source
The Divje Babe flute on display in the National Museum of Slovenia	Szilas	CC0	Source
Excavation site inside the Divje Babe cave	Thilo Parg	CC BY-SA 3.0	Source
Visitor inside the Potočka zijalka cave on Mount Olševa	Thilo Parg	CC BY-SA 4.0	Source
Boulders inside the entrance of Potočka zijalka	poldek_tedy	CC BY-SA 3.0	Source
The Mala Triglavca rock shelter in the Karst	Thilo Parg	CC BY-SA 3.0	Source
Autumn forest reflected in the calm water of Lake Cerknica	Bob Ramsak	CC BY-SA 4.0	Source
Aerial view of Lake Cerknica and the village of Dolenje Jezero	Petar Milošević	CC BY-SA 4.0	Source
Lake Cerknica and its polje seen from Mount Slivnica	ModriDirkac	CC0	Source
Dry ponors (sinkholes) on the bed of Lake Cerknica in summer	Ajznponar	CC0	Source
Dry lake bed with swallow holes at Lake Cerknica	Ajznponar	CC0	Source
17th-century engraving of Cerknica from Valvasor's Glory of the Duchy of Carniola	Johann Weikhard von Valvasor	Public domain	Source
Title page of Steinberg's 1758 treatise on Lake Cerknica	Franz Anton von Steinberg	Public domain	Source
Grassy bed of Lake Cerknica with the Julian Alps on the horizon	Matej Maček	CC BY 3.0	Source
Turquoise sump at the bottom of Renejevo brezno, more than a kilometre below Mount Kanin	Ukunaver	CC BY-SA 4.0	Source
A caver dwarfed by a huge boulder-strewn chamber in a cave under Mount Kanin	Ukunaver	CC BY-SA 4.0	Source
Caver descending a rope in a deep vertical shaft on Mount Kanin	Ukunaver	CC BY-SA 4.0	Source
Bare, fissured limestone pavement on the Kanin plateau	PJakopin	CC BY 4.0	Source
Limestone summit of Mount Kanin with patches of snow	JakobZ	CC BY-SA 3.0	Source
Snow-dusted Kanin massif under dark clouds	nicomandery	CC BY 2.0	Source
Karst plateau of Tolminski Migovec in the Julian Alps	JakobZ	CC BY-SA 3.0	Source
Survey profile of the Renejevo brezno and P4 cave system	Jože Pirnat	CC BY-SA 4.0	Source
Students of a Ljubljana caving school posing underground in overalls and helmets	PJakopin	CC BY-SA 4.0	Source
Hand-drawn early 20th-century cave survey by Pavel Kunaver	Pavel Kunaver	Public domain	Source
Two cave divers preparing in shallow water in Dimnice Cave	PJakopin	CC BY-SA 4.0	Source
Ljubljana's riverside houses below the castle hill	Tournasol7	CC BY 4.0	Source
Tunnel in the historic Idrija mercury mine	Jakub Hałun	CC BY 4.0	Source
18th-century map of Lake Cerknica by Homann	Johann Baptist Homann (1663-1724), following the work of Janez Vajkard Valvasor (1641-1693) converted to JPEG and modified (cropped and rotated with Gimp) by romanm (talk)	Public domain	Source
Valvasor's 1689 map of Lake Cerknica	Johann Weikhard Valvazor (Life time: 1641-1693)	Public domain	Source
Postcard of Postojna Cave from the 1900s	Unknown authorUnknown author	Public domain	Source
1903 postcard of the view over the Škocjan dolines	Unknown authorUnknown author	Public domain	Source
Vineyards of the Karst with Mount Nanos in the distance	Ziga	Public domain	Source
The hilltop village of Štanjel on the Karst plateau	Ramón from Llanera, España	CC BY-SA 2.0	Source
Stone bridge and pond of the Ferrari Garden in Štanjel	Felix Stahlberg	Public domain	Source
Lipizzaner horses grazing under trees at Lipica	Gorupka from Slovenia	CC BY 2.0	Source
Stone well in a Karst courtyard	Ajznponar	CC0	Source
Narrow stone street in the village of Štanjel	Husond	CC BY-SA 4.0	Source
Flowstone drapery in Kostanjevica Cave	Sl-Ziga	Public domain	Source
Narrow passage with a walkway in Kostanjevica Cave	Sl-Ziga	Public domain	Source
Stalactites in Kostanjevica Cave	Sl-Ziga	Public domain	Source
A small boat on a turquoise underground lake between stalagmites in Križna jama	Marko Simić	CC BY-SA 4.0	Source
The dry entrance passage of Križna jama	ModriDirkac	CC BY-SA 4.0	Source
Stalagmites of the Kalvarija chamber rising above the water in Križna jama	Tomaž Planina	CC BY-SA 4.0	Source
Cavers paddling an inflatable boat through a flooded passage in Križna jama	Tomaž Planina	CC BY-SA 4.0	Source
Flowstone hill reflected in an underground lake, Križna jama	Tomaž Planina	CC BY-SA 4.0	Source
Caver standing in a rounded rock tube in Križna jama, 1974	Primož Krivic	CC BY-SA 4.0	Source
Stream flowing through a low passage in Križna jama	Tomaž Planina	CC BY-SA 4.0	Source
Leptodirus hochenwartii, the slender-necked cave beetle	Yerpo	CC BY-SA 3.0	Source
The cave beetle Leptodirus hochenwartii on flowstone	Slavko Polak	CC BY-SA 4.0	Source
Lesser horseshoe bat hanging from a cave wall	Bouke ten Cate	CC BY 4.0	Source
Mounted skeleton of a cave bear displayed in a cave	Ermell	CC BY-SA 4.0	Source
Lesser horseshoe bat wrapped in its wings, hanging from a rock ceiling	Falcoperegrinus (Matthieu Gauvain)	CC BY-SA 3.0	Source
An olm (Proteus anguinus) swimming in dark cave water	Arne Hodalič	CC BY-SA 3.0	Source
Pale pink olm resting on a rock, showing its feathery gills	Slavko Polak	CC BY-SA 4.0	Source
An olm on the stony bed of a cave pool	Gzen92	CC BY-SA 4.0	Source
An olm in the vivarium at Postojna Cave	Bjoertvedt	CC BY-SA 4.0	Source
Close-up of an olm showing its tiny limbs	Javier Ábalos Alvarez from Madrid, España	CC BY-SA 2.0	Source
Rocky entrance to Pekel Cave with its stream	Sl-Ziga	Public domain	Source
Caver in the upper dry passage of Pekel Cave, 1975	Tomaž Planina	CC BY-SA 4.0	Source
The Pivka river at the bottom of the collapse doline of Pivka Cave	Ziegler175	CC BY-SA 3.0	Source
Stalactite curtains hanging from the ceiling of Pivka Cave	Ziegler175	CC BY-SA 3.0	Source
Steps descending the collapse doline to Pivka Cave	Sl-Ziga	CC BY-SA 3.0	Source
Flowstone-covered wall in Pivka Cave	Ziegler175	CC BY-SA 3.0	Source
Turquoise river flowing out of the huge entrance of Planina Cave	Julien Seguinot from Lille, France	CC BY-SA 2.0	Source
Entrance to Planina Cave with the Unica river	Doremo	CC BY-SA 3.0	Source
Path along the river just inside Planina Cave	EliziR	CC BY-SA 3.0	Source
Flowstone formations in Planina Cave	EliziR	CC BY-SA 3.0	Source
Planinsko polje flooded, mirroring the sky	Octopus at Slovenian Wikipedia	CC BY-SA 3.0	Source
The Unica river meandering across the meadows of Planinsko polje	Ajznponar	CC0	Source
Detail of an 1889 map of caves and ponors at the edge of Planinsko polje	Viljem Putik (aka Wilhelm Putick, 1856-1929)	Public domain	Source
Lit walkway winding through a large chamber of Postojna Cave	Shesmax	CC BY-SA 4.0	Source
Curtains of flowstone and stalactites in Postojna Cave	Shesmax	CC BY-SA 4.0	Source
Tall calcite column in Postojna Cave	Shesmax	CC BY-SA 4.0	Source
Ceiling of Postojna Cave covered in stalactites	Shesmax	CC BY-SA 4.0	Source
Massive stalagmite beside the visitor path in Postojna Cave	Shesmax	CC BY-SA 4.0	Source
Thin 'spaghetti' stalactites hanging from the ceiling in Postojna Cave	Szilas	CC0	Source
Layered stalagmite rising from the floor of Postojna Cave	Szilas	CC0	Source
The underground Pivka river rushing through Postojna Cave	JYB Devot	CC BY-SA 4.0	Source
The white Brilliant stalagmite beside a ribbed column in Postojna Cave	Luka Peternel	CC BY-SA 4.0	Source
The Brilliant, a five-metre snow-white stalagmite, symbol of Postojna Cave	Frerk Meyer from Buchholz in der Nordheide, Niedersachsen	CC BY-SA 2.0	Source
Visitors in the Concert Hall of Postojna Cave	Shesmax	CC BY-SA 4.0	Source
Yellow open carriages of the Postojna Cave train at the underground platform	Simon Legner (User:simon04)	CC BY-SA 4.0	Source
Passengers boarding the Postojna Cave train	Simon Legner (User:simon04)	CC BY-SA 4.0	Source
Historic cave locomotive displayed in front of the Postojna Cave entrance	Ajznponar	CC BY-SA 3.0	Source
1938 postcard showing stalagmites in Postojna Cave	Unknown authorUnknown author	Public domain	Source
1930s postcard of the cave train in Postojna Cave	Unknown authorUnknown author	Public domain	Source
Wide view of a chamber in Postojna Cave with visitors on the path	Michael R Perry	CC BY 2.0	Source
Memorial plaques to cave discoverer Luka Čeč in Postojna	Cholo Aleman	CC BY-SA 3.0	Source
Predjama Castle built into the mouth of a cave in a limestone cliff	Marco Almbauer	CC0	Source
Predjama Castle beneath the overhanging rock wall	Jakub Hałun	CC BY 4.0	Source
Predjama Castle and the cliff rising above it	Jakub Hałun	CC BY 4.0	Source
Walkway through the cave beneath Predjama Castle	Tiia Monto	CC BY-SA 3.0	Source
Predjama Castle seen across the meadow below the cliff	Falk2	CC BY-SA 4.0	Source
White walls of Predjama Castle against the grey rock	Marco Almbauer	CC0	Source
Stone coat of arms above the entrance to Predjama Castle	Yerpo	CC BY-SA 3.0	Source
Stone footbridge over the Rak stream in Rakov Škocjan	Jakub Hałun	CC BY 4.0	Source
Forest clearing and house in Rakov Škocjan landscape park	Doremo	CC BY-SA 4.0	Source
The Little Natural Bridge arching over the gorge in Rakov Škocjan	Falk2	CC BY-SA 4.0	Source
The Great Natural Bridge spanning the Rak stream in Rakov Škocjan	Falk2	CC BY-SA 4.0	Source
The Little Natural Bridge in Rakov Škocjan seen through the trees	Ajznponar	CC0	Source
Daylight seen from inside Zelške jame in Rakov Škocjan	Jakub Hałun	CC BY 4.0	Source
Rock overhang at the entrance to Zelške jame	Jakub Hałun	CC BY 4.0	Source
The Rak stream flowing into Tkalca jama	Falk2	CC BY-SA 4.0	Source
The Rak valley partly flooded in spring	Ajznponar	CC BY 4.0	Source
Looking up through a natural rock arch in Rakov Škocjan	ModriDirkac	CC BY-SA 4.0	Source
Looking out from a cave mouth in the Škocjan Caves towards daylight	Jakub Hałun	CC BY 4.0	Source
Path along a rock wall inside the Škocjan Caves	Jakub Hałun	CC BY 4.0	Source
The Reka river flowing through a green gorge at the Škocjan Caves	Jakub Hałun	CC BY 4.0	Source
Limestone cliff and spring foliage in the collapse doline at Škocjan	Jakub Hałun	CC BY 4.0	Source
Dark chamber with still water reflecting the rock, Škocjan Caves	Jakub Hałun	CC BY 4.0	Source
Limestone walls of Mala dolina seen from the natural bridge at Škocjan	Ajznponar	CC0	Source
The natural bridge between the two collapse dolines at Škocjan	Ajznponar	CC0	Source
Western wall of Velika dolina, the great collapse doline at Škocjan	Ajznponar	CC0	Source
Cliffs of Velika dolina at the Škocjan Caves in evening light	Ajznponar	CC0	Source
The Reka river just before it sinks into the Škocjan Caves	Ajznponar	CC0	Source
View from the lookout over the collapse dolines of the Škocjan Caves	Giorgio Galeotti	CC BY 4.0	Source
The Reka gorge and natural bridge at Škocjan seen from above	Dennis Tang from London, UK	CC BY-SA 2.0	Source
Aerial view of the village of Škocjan perched above the caves	KAP Jasa	CC BY-SA 4.0	Source
Stalagmite lit in the darkness of the Škocjan Caves	Ricardo Cabello Torres ( brqx ) from Madrid, España	Public domain	Source
Visitors silhouetted beside a column in the Škocjan Caves	Ricardo Cabello Torres ( brqx ) from Madrid, España	Public domain	Source
The village of Škocjan with its church tower on the edge of the doline	Bryan Pocius from New York, USA	CC BY 2.0	Source
Entrance to Snežna jama on the slope of Mount Raduha	The original uploader was Ljuba brank at Slovenian Wikipedia.	CC BY-SA 3.0	Source
Mount Raduha in the Kamnik–Savinja Alps	JakobZ	CC BY-SA 3.0	Source
Road through the Logar Valley towards the Kamnik–Savinja Alps	Viktar Palstsiuk	CC BY-SA 4.0	Source
Western face of Mount Raduha above alpine meadows	JakobZ	CC BY-SA 3.0	Source
Gated entrance to Vilenica Cave among green vegetation	Tiesse	Public domain	Source
Visitors at the entrance of Vilenica Cave	Ondrej Pospisil	CC BY-SA 2.0	Source
Survey drawing of Vilenica Cave from 1818	Unknown authorUnknown author	Public domain	Source
Early 19th-century painting of visitors inside Vilenica Cave	Ferdinand Runk and Anton Herzinger	Public domain	Source
Traditional stone Karst house	Ajznponar	CC0	Source
The dark green Wild Lake beneath a rock wall near Idrija	Mitja Podreka	CC BY-SA 4.0	Source
Emerald water of Wild Lake surrounded by forest	Plusea	CC BY 2.0	Source
Footbridge over the Idrijca river near Wild Lake	Ajznponar	CC0	Source
The town of Idrija among forested hills	Luka Peternel	CC BY-SA 4.0	Source
Lit chamber full of dripstone in Županova jama	Eleassar	CC BY-SA 4.0	Source
Stalagmites and columns in Županova jama	Eleassar	CC BY-SA 4.0	Source
Flowstone formation known as Matjaž's Throne in Županova jama	Eleassar	CC BY-SA 4.0	Source
Steps leading down to the entrance of Županova jama	Ajznponar	CC BY-SA 4.0	Source