Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

This center in the Rwandan capital supports women’s livelihoods while educating visitors about traditional cooking, craft making, and more.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

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

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

The embalmed remains of the communist leader lie within a custom crystal coffin.

This probably wasn't what Mao had in mind.

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

This massive neon wheel is the only one of its kind to be built over a bridge.

The world's tallest circular building is loaded with symbolism, but many just see a big donut.

The world's largest statue of Mao Zedong looks out over the city where he discovered Communism.

Although resembling a grand Buddhist temple, this structure is actually the largest mosque in China.

An ancient fortification lives on in this Chinese city.

The ancient remains of this natural fortress can still be found along the Silk Road looking surprisingly preserved.

A replica of the beloved character's house, modeled after the author's own drawings.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

The "Prussian Versailles" that is as glorious today as when it was built.

A local train station entrance hall doubles as a sanctuary for barn swallows.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

The most visited, and possibly most controversial, museum in Germany.