The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

A mechanized clock where a man fights off a dragon, crab, and rooster.

A museum dedicated to the history and exploration of both popular music and science fiction.

This sensational Chinese temple walks visitors through the 76 weird departments of the afterlife.

Why walk on this historical site when you can zoom down instead?

The most famous location in China was home to whole dynasties worth of imperial rulers.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

The second oldest continuously operating bar in Louisiana.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

A museum in the childhood house of a medical pioneer.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Renaissance villa and gardens complete with a tormented colossus.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A 16th-century horror show built in a lovely Italian garden.

The glowing blue Nymphaeum of Emperor Tiberius.