Underground hospital complex constructed by slave laborers during the German occupation of the Channel Islands.

Thousands of letters to Santa get delivered to this mailbox in Greenland.

Greenland's first shopping mall also hosts the country's government.

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

Scars of this building's past life as a violent prison still cover its walls.

This extensive collection of vintage Soviet cars is the only one of its kind in the Caucasus.

The secret room where early Bolsheviks cranked out propaganda fliers on a smuggled printing press.

You'll find just about anything in this funky Tbilisi flea market.

Fast food feels like fine dining at this award-winning modern Georgian building.

An abstract monument to a symphonic composer.

Quality time with reindeer in the stunning scenery of their natural Lappish habitat above the Arctic Circle.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

Troublesome students were detained in this tiny graffiti-covered university jail.

The secret cells in the basement of the KGB's Estonian "Grey House" have been preserved as a grim Cold War museum.

Relics from an era long gone, sit idle outside this Estonian museum.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

"There's nothing there," and other lies the KGB told us.

Hans Christian Andersen for the postmodern world.

Dedicated to the unsung history of human waste.

Dedicated to the "father of modern education," this museum documents the history of education in Czechia.

This Czech military museum is home to pink tank that was once a symbol of art and political rebellion.