A double cantilever system bridge that was designed to prevent flood damage.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

The world's largest human gathering is held at the confluence of three sacred rivers, one of which is mythical.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

A retrofuturistic art installation in the Pittsburgh Airport.

Walled family complexes in Southern China.

This extensive collection of vintage Soviet cars is the only one of its kind in the Caucasus.

Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.

A museum and research center dedicated to preserving the history of Rolls-Royce and Bentley motorcars.

This 21st century cabinet of curiosities includes dinosaur bones, moon rocks, film memorabilia, and more.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

A tropical rainforest designed to resemble a scene from the monumental film.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

Frozen in Norway, vended in Singapore.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

An eerie reminder to the horrors of World War II.

Ming Dynasty necropolis raided during the Cultural Revolution.

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

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

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

A submerged archeological park still holds the wonders of a Roman Sodom.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

Hidden on two floors of downtown building, the library has an incredible deal on rent.