This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

These natural stone bridges are the largest on the European continent.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

Featured in one of the most iconic scenes in cinema history.

A massive bridge forms part of an aqueduct that was deemed an architectural wonder of its time.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

The world's first floating farm is staffed by one human, three robots, and 35 cows.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

Underneath the bustling city streets, a hydroponic farm grows unique herbs in an urban oasis.

The former home of Dutch anthropologist Bert Flint now houses a collection of Berber art and artifacts.

A beautiful and classically designed villa, with an hourly infestation of monsters.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

This museum preserves over-the-top masterpieces that once qualified artisans for membership into a medieval guild.

A beautiful 19th-century mansion slowly crumbled and became a 'ghost house' after World War II.

One of the most valuable palace-garden complexes in the eastern borderlands—and one of the most haunted.

This cave overlooking the Indian Ocean has been turned into a shelter and makeshift museum.

A unique museum dedicated to culture and artistry of carpet weaving.

Rare recess caves fill this unbelievably beautiful Ohio park.

Exceptional Nepalese food can be found in a Texas gas station.

A collection of iconic Soviet car models on display.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.