This elderly couple's hand-picked collection of rare gems is one of the finest in all of Iceland.

This remote eatery and museum is preserved as a time capsule of a small Icelandic fishing town.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The decaying ruins of Wales' first asylum for the mentally ill.

One family's environment-friendly hobbit-house in Wales.

360-degree virtual reality chamber physically immerses scientists into their data.

An academy where anyone can train in the exciting acrobatic sports of parkour and freerunning.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Dedicated to improving the plight of the rare scaly anteater.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Tens of thousands of tiny bottles stuffed with various items.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Bring your hiking shoes, wool socks, and thermal underwear for a stay in these cozy forest huts.

A Buddhist theme park brings you a Buddhist version of Hell.

This dangerous-looking suspension bridge may have been too unstable to remain open.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

The king of U.S. high points towers over every other peak on the continent.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

This ghostly Alaska village still clings to a steep cliffside despite having been abandoned for over 50 years.

Siberian whale bones stand as cairns marking location of an ancient butcher yard.