One of the world's largest collections of pharmaceutical artifacts.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

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

The ruins of an abandoned cemetery are among the last remnants of the old village of La Boulaye before a wealthy landowner had it relocated.

French Time Capsule-19th Century home revealed to the public.

A Gothic cathedral created from volcanic rocks.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

A once-luxurious, now abandoned hotel in the Italian Alps.

An icy lake tucked among jaw-dropping alpine panoramas.

A beautiful art space and unusual mini-hotel hidden in the city center of Dnipro.

Over 3km of caverns and caves at the Switzerland-France border contain the largest underground river in Central Europe.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

Florentine Renaissance style building in Switzerland, home to the world's largest taxidermy Great White Shark.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

A striking 12th-century-style castle built on the edge of a cliff.

Stuffed people arranged in unsettling scenes give a voyeuristic glimpse of life within a historic old hotel.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

An ancient monastery, a locked room, and a mysterious book heist.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

150-year-old satirical tableaus made from stuffed frogs.

Caves famous for the dragon-slaying saint who lived there.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

A communal oasis on Lake Zurich.