thefoursaisons's User Profile - Atlas Obscura
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Piusa, Estonia

Piusa Sand Caves

Man-made mineral caves house massive bat colony.
Tallinn, Estonia

Ichthus Art Gallery

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.
Kose Parish, Estonia

Tuhala Witch's Well

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.
Rummu, Estonia

Rummu Underwater Prison

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.
Schwangau, Germany

Neuschwanstein Castle

The fairy tale castle of the "fairy-tale king."
Berlin, Germany

Liquidrom

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.
Berlin, Germany

Berliner Unterwelten (Subterranean Berlin)

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.
Berlin, Germany

Monsterkabinett

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.
Gablenz, Germany

Rakotzbrücke Devil's Bridge

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.
Berlin, Germany

Spreepark

An eerie, derelict amusement park in Berlin.
Stomoplo, Bulgaria

Perla 2

Not far from a popular beach, an unfinished, abandoned mansion for Bulgaria's last communist dictator.
Bucharest, Romania

Palace of the Parliament

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.
Cluj-Napoca, Romania

Zoological Museum

The Natural History Museum that time forgot.
Lupșa, Romania

Geamana, Romania

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.
Scorțoasa, Romania

Berca Mud Volcanoes

A muddy alien landscape that is home to rare species of exotic plants.
Dubova, Romania

Decebal's Head

A giant portrait of an ancient king looms over the river.
Municipiul Sebeș, Romania

Râpa Roșie

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.
Șinca, Romania

The Sinca Veche Temple Cave

No one knows who built this strange cave of worship or exactly why.
Bucharest, Romania

Cărturești Carusel Bookstore

This once-derelict building is now one of the most beautiful bookstores in the world.
Wallachia, Romania

Poenari Castle

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.
Comuna Obreja, Romania

Tunnel of Love

The romantic botanic tunnel feels like a well-kept secret.
Cluj-Napoca, Romania

Hoia-Baciu Forest

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."
Turda, Romania

Salina Turda

This massive underground salt mine now holds a sci-fi theme park in its depths.
Caraș-Severin, Romania

Bigar Waterfall

Moss and stone turn this waterfall into an otherworldly liquid veil.