If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

A cemetery with goat-horn bedecked gravestones.

This famed Silk Road oasis was one of the largest cities in the world before it was destroyed by a Mongol horde.

A fiery crater has been burning in the Karakum Desert since 1971.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

A medieval weapon rumored to have been used by the brilliant poet himself.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv

A fortress built to pacify local uprising that had a stint as a Nazi concentration camp before becoming a five-star hotel.

This underground transport hub doubles as an art gallery.

The last planned Soviet city was built for the former residents of Pripyat after the Chernobyl disaster.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

This hill is known for its connection to the occult in Slavic tradition.

When you've got to go, you've got to go.

An Art Nouveau building covered in animal gargoyles and grotesques.

Ukraine's oldest operating pharmacy now offers guests a fascinating walk through apothecary history.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

A monument to Lenin has been transformed into a statue of everyone's favorite black-helmeted, fool-choking Sith Lord.

The largest catacomb system in the world.