Hidden inside a gift shop that doubles as a museum, this gargantuan yo-yo can only be operated by crane.

Massive installation of Europe's negative stereotypes.

This small town in Germany was once a center of peppermint production, and has the museum to prove it.

An unassuming Swiss institution houses Europe's largest toy museum.

One of the world's largest collections of pharmaceutical artifacts.

This fascinating museum in an old water tower holds the world's largest collection of Vodou artifacts from western and central Africa.

A collection of decorative eggs to admire in the off-season.

Opulent period costumes and murals lead you on a journey through fashion history.

Enter the cabin of a life-sized Hindenburg replica.

The abandoned site of the Beatles spiritual awakening and subsequent revolt.

India’s only Brain Museum displays over 200 fascinating ways that your brain might kill you.

Half-size replica of the Taj Mahal.

Made by a man on a worldwide sanitation crusade.

This experimental utopian "city of the future" in rural India may hold a dark secret.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The world's second-largest sundial, made entirely out of stone.

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

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

It's always summer at the beach inside this former airship hangar.

One of the most easily accessible examples of the rare 1960s UFO houses.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

Puppet theater and museum holding a collection of more than 300.

An elevator into the Baltic Sea.