© iStock
0 / 31 Fotos
Turkey - The Basilica Cistern, Istanbul.
© iStock
1 / 31 Fotos
Sri Lanka - Dambulla cave temple (Golden Temple of Dambulla).
© iStock
2 / 31 Fotos
3 / 31 Fotos
Malaysia - Batu Caves, Gombak, Selangor.
© iStock
4 / 31 Fotos
Romania - Salina Turda salt mine, Durgău-Valea Sărată.
© Shutterstock
5 / 31 Fotos
Taiwan - The Dome of Light, Kaohsiung metro station. (Photo: Flickr/CC BY-NC-ND 2.0)
© Flickr/Creative Commons
6 / 31 Fotos
Colombia - The Salt Cathedral of Zipaquirá.
© iStock
7 / 31 Fotos
Poland - Wieliczka salt mine.
© iStock
8 / 31 Fotos
Egypt - Tomb of Seti I, Valley of the Kings, Luxor.
© Shutterstock
9 / 31 Fotos
Turkey - Derinkuyu underground city, Cappadocia.
© iStock
10 / 31 Fotos
France - The Catacombs of Paris.
© Shutterstock
11 / 31 Fotos
South Africa - Cango Caves, Oudtshoorn, Western Cape Province. (Photo: Flickr/CC BY-NC 2.0)
© Flickr/Creative Commons
12 / 31 Fotos
Russia - Avtovo metro station, St. Petersburg. (Photo: Wikimedia/CC BY-SA 4.0)
© Wikimedia/Creative Commons
13 / 31 Fotos
New Zealand - Waitomo Glowworm Caves, North Island. (Photo: Flickr/CC BY 2.0)
© Flickr/Creative Commons
14 / 31 Fotos
China - Mausoleum of the First Qin Emperor, Lintong District, Xi'an, Shaanxi province.
© iStock
15 / 31 Fotos
Iran - The Water Reservoir of Nooshabad (Nushabad) underground city, Ouee (or Ouyi).
© iStock
16 / 31 Fotos
Slovenia - Škocjan Caves, Divača.
© iStock
17 / 31 Fotos
Gibraltar - St. Michael's Cave, Upper Rock Nature Reserve.
© Shutterstock
18 / 31 Fotos
Sweden - Stadion Metro Station, Stockholm.
© iStock
19 / 31 Fotos
Scotland - Edinburgh Vaults. (Photo: Flickr/CC BY-NC 2.0)
© Flickr/Creative Commons
20 / 31 Fotos
Brazil - Poço Encantado, Chapada Diamantina National Park.
© iStock
21 / 31 Fotos
Philippines - Puerto-Princesa Subterranean River National Park.
© Shutterstock
22 / 31 Fotos
23 / 31 Fotos
South Australia - Church of Saint Elijah-Serbian Orthodox Church, Coober Pedy. (Photo: Flickr/CC BY 2.0)
© Flickr/Creative Commons
24 / 31 Fotos
Iceland - Thrihnukagigur Volcano interior.
© iStock
25 / 31 Fotos
USA - Forestiere Underground Gardens, Fresno, CA. (Photo: Flickr/CC BY-NC 2.0)
© Flickr/Creative Commons
26 / 31 Fotos
Wales - Llechwedd Slate Caverns, Blaenau Ffestiniog, North Wales. (Photo: Flickr/CC BY-NC-ND 2.0)
© Flickr/Creative Commons
27 / 31 Fotos
USA - Ruby Falls, Chattanooga, TN.
© Shutterstock
28 / 31 Fotos
Vietnam - Củ Chi tunnels, Ho Chi Minh City.
© Shutterstock
29 / 31 Fotos
© iStock
0 / 31 Fotos
Turkey - The Basilica Cistern, Istanbul.
© iStock
1 / 31 Fotos
Sri Lanka - Dambulla cave temple (Golden Temple of Dambulla).
© iStock
2 / 31 Fotos
3 / 31 Fotos
Malaysia - Batu Caves, Gombak, Selangor.
© iStock
4 / 31 Fotos
Romania - Salina Turda salt mine, Durgău-Valea Sărată.
© Shutterstock
5 / 31 Fotos
Taiwan - The Dome of Light, Kaohsiung metro station. (Photo: Flickr/CC BY-NC-ND 2.0)
© Flickr/Creative Commons
6 / 31 Fotos
Colombia - The Salt Cathedral of Zipaquirá.
© iStock
7 / 31 Fotos
Poland - Wieliczka salt mine.
© iStock
8 / 31 Fotos
Egypt - Tomb of Seti I, Valley of the Kings, Luxor.
© Shutterstock
9 / 31 Fotos
Turkey - Derinkuyu underground city, Cappadocia.
© iStock
10 / 31 Fotos
France - The Catacombs of Paris.
© Shutterstock
11 / 31 Fotos
South Africa - Cango Caves, Oudtshoorn, Western Cape Province. (Photo: Flickr/CC BY-NC 2.0)
© Flickr/Creative Commons
12 / 31 Fotos
Russia - Avtovo metro station, St. Petersburg. (Photo: Wikimedia/CC BY-SA 4.0)
© Wikimedia/Creative Commons
13 / 31 Fotos
New Zealand - Waitomo Glowworm Caves, North Island. (Photo: Flickr/CC BY 2.0)
© Flickr/Creative Commons
14 / 31 Fotos
China - Mausoleum of the First Qin Emperor, Lintong District, Xi'an, Shaanxi province.
© iStock
15 / 31 Fotos
Iran - The Water Reservoir of Nooshabad (Nushabad) underground city, Ouee (or Ouyi).
© iStock
16 / 31 Fotos
Slovenia - Škocjan Caves, Divača.
© iStock
17 / 31 Fotos
Gibraltar - St. Michael's Cave, Upper Rock Nature Reserve.
© Shutterstock
18 / 31 Fotos
Sweden - Stadion Metro Station, Stockholm.
© iStock
19 / 31 Fotos
Scotland - Edinburgh Vaults. (Photo: Flickr/CC BY-NC 2.0)
© Flickr/Creative Commons
20 / 31 Fotos
Brazil - Poço Encantado, Chapada Diamantina National Park.
© iStock
21 / 31 Fotos
Philippines - Puerto-Princesa Subterranean River National Park.
© Shutterstock
22 / 31 Fotos
23 / 31 Fotos
South Australia - Church of Saint Elijah-Serbian Orthodox Church, Coober Pedy. (Photo: Flickr/CC BY 2.0)
© Flickr/Creative Commons
24 / 31 Fotos
Iceland - Thrihnukagigur Volcano interior.
© iStock
25 / 31 Fotos
USA - Forestiere Underground Gardens, Fresno, CA. (Photo: Flickr/CC BY-NC 2.0)
© Flickr/Creative Commons
26 / 31 Fotos
Wales - Llechwedd Slate Caverns, Blaenau Ffestiniog, North Wales. (Photo: Flickr/CC BY-NC-ND 2.0)
© Flickr/Creative Commons
27 / 31 Fotos
USA - Ruby Falls, Chattanooga, TN.
© Shutterstock
28 / 31 Fotos
Vietnam - Củ Chi tunnels, Ho Chi Minh City.
© Shutterstock
29 / 31 Fotos
Amazing underground attractions to visit
Indulge in a spot of subterranean sightseeing
© iStock
These amazing destinations are out of sight!
Browse the gallery, delve under the surface, and uncover some of the world's hidden wonders.
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