This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

A research lab and hands-on museum where visitors can experiment with retro technology.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

Eat like a bird in a bamboo nest.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Peek through a transparent pyramid and drink in the mountain made of books.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

With the touch of a button, you can read a randomly selected short story.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.