The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The beautiful baroque library of the Hapsburg empire.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

The 10,000 Torii shrine.

A tiny collection of traditional Japanese woodblock prints, open only when the owner feels like it.

Twisted buildings adorn the banks of the Rhine river.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

A Japanese concept restaurant that feels like a party thrown by the monsters in your closet.

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

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

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

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

No need to strap in for a “ride” on this walkable roller coaster.

This former steel and coal plant is now a neon-lit industrial fantasia.

Colorful and chaotic stacked hotel in North Holland.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.