The world’s largest work of glass art hides in this stunning Taiwanese subway station.

This collection of lakeside pagodas and temples are flanked by giant lions, tigers, and dragons as well as their welcoming maws.

Walled family complexes in Southern China.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

The woman who helped save 15th-century France was born in this humble home.

An ancient monastery, a locked room, and a mysterious book heist.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

There has been an astronomical clock on this spot since the 14th century.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

This artistic fountain display pays homage to this area's theatrical history.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The first green space constructed on an elevated viaduct.

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

Ghosts of France's colonial past.

The shape of this old salt factory complex was inspired by the course of the Sun.

One of the world's most complex timepieces.