Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

This free, take-a-book shop seems like a trick but isn't.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

Lebanese castle built by one man, over a lifetime.

This lab's maddening silence is good for business but bad for sanity.

Herman Melville wrote 'Moby Dick' in this landmark 18th-century house surrounded by farmland.

One of the oldest wine cellars in Germany is now a restaurant beneath Bremen's town hall.

A local museum honors the history of Bamberg’s unique cultural heritage: growing crops in the heart of the city.

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

No passport is required to eat around the world at this elegant restaurant.

A collection of old neon signs from all over Poland line a secluded courtyard.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

Because sometimes you need to make a batch of frites even when the stores are all closed.

Ruins of a German Castle on top of a towering stone pillar.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

Started as a kitchen garden, now the second largest botanical garden in the world.

A surreal museum of extraordinary industrial objects.

A slice of central Asia in the middle of Berlin.

Crossing a suspension bridge above a forest is the only way to reach this 12th-century monastery.

The temple that withstood the Nazis.

The Grand Mall in Varna hosts one of the biggest collections of Soviet-era paraphernalia in Bulgaria.

A mysterious tunnel hidden in the shadows of a colorful, historic sanctuary.