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

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

Whale bones, scrimshaw, and sperm oil make up just a part of this comprehensive collection of whaling history.

The site of a tragic massacre that spawned a multimedia franchise.

An eccentric playboy's astounding natural history collection.

The second-largest (of only two in the world) large particle collider is the underdog of experimental physics.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

An eerie, derelict amusement park in Berlin.