This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

A museum glorifying the life of Stalin, located in the city of his birth.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

These quaint French houses dangle precariously over a precipice.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This bridge was constructed from the rubble of the infamous Bastille.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

A futuristic, brutalist masterpiece that is also strangely prison-like.

Celebrated example of Ottoman architecture that also served as a site for brutal massacres.

Bridge that died in war and was resurected.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

Named after a legendary garden called Eram in southern Arabia, built by order of Shaddad, an Arab king who wanted to compete with Paradise.

The palace of the King of Kings, burned by Alexander the Great.

Marked by the hand of the explorer Henry Morton Stanley.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.