272 Items Tagged

Underground

San Marino, San Marino

Cistern of the Convent of San Francesco

A historic cavernous cistern lies hidden behind a wall at San Marino’s stamp and coin museum.

Zurich, Switzerland

Lindenhof Keller

Underneath the well-known Lindenhof hides a secret cellar documenting Zurich's early history.

Vadodara, India

Sevasi Vav

This 500-year-old stepwell descends seven levels deep into the ground.

Kaohsiung City, Taiwan

Ocean Fantasy Museum

An antiquated aquarium housed in a converted government anti-nuclear bunker.

Xerri’s Grotto

A small cave network was discovered under a home in Xagħra, in 1924 when the owner was digging a well.

Ninu’s Cave

In 1888, a resident of Xagħra, Malta, discovered a small underground chamber filled with stalactites and stalagmites when digging a well.

Syracuse, Italy

Fonte Ciane

According to legend, after Hades pulled Persephone into the underworld, one of her attendant nymphs cried so much that her tears formed this spring.

Hastings, England

Saint Clement's Caves

A former smuggler's haven houses "The Chapel" and its mysterious carvings.

21 Caves That Offer Otherworldly Experiences

From subterranean haunts filled with glowing larvae to the oldest cave system in the world.

Jonathan Carey May 31, 2024

Ewing, Virginia

Sand Cave

Erosion has transformed this sandstone boulder into a massive dune-filled cavern.

A 1960s bunker, built far into the West Virginia hills, still illustrates how the government planned to keep running in the event of a nuclear attack during the Cold War.

How to Explore West Virginia’s Underground Wonders

A field guide to the most invigorating subterranean adventures in the Mountain State

Sponsored by West Virginia Tourism

Ayia Thekla Church and Tomb

Ayia Napa, Cyprus

Ayia Thekla Church and Tomb

A 4th-century Roman church complete with a hidden underground cave.

Bendigo, Australia

Central Deborah Gold Mine

Direct access to a gold mine showing the boom and bust of Australia's Victorian gold rush.

You're more likely to end up in the ocean than another country.

Dig a Tunnel Through the Center of the Earth to… Where?

If you, hypothetically, ignore the molten lava core.

Frank Jacobs, Big Think April 19, 2024

How This Cave Formed Upside Down | Untold Earth

St Neot, England

Carnglaze Caverns

A haunted slate mine turned concert hall and a hidden fairy garden.

Gruta de las Maravillas (Cave of Wonders)

An underground spring in a labyrinthine cave system, decorated with stalagmites and stalactites.

Valletta, Malta

Mysterium Fidei

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.