Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

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

The 10,000 Torii shrine.

Hot springs monkey spa in the middle of Hell's Valley.

A 20-meter (65-foot) robot towers over Tokyo Bay.

A magical place that lets you play in and explore the world of Studio Ghibli.

A Buddhist temple on an artificial island that houses a monument to the fugu fish.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

Not quite the menace it once was, this monster still has some chops.

Once a black market electronics marketplace, now an otaku shopper's paradise.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Catacombs turned marketplace.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Hamburgers are intensely proud of their tunnel beneath the river.

Beloved children's TV characters freckle the German city's streets.

Where once there was a train station bathroom, there is now this German burger joint.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A floating cat sanctuary on an Amsterdam canal.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.