The only surviving piece of Copenhagen's 16th-century defensive wall.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

A museum filled with tiny, adorable versions of the mighty Royal Danish Navy.

One of the best collections of wax anatomical models in the world.

Dine amidst exotic plants at this former royal greenhouse.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

Unusual house, in an unusual neighborhood, home to some very unusual peanuts.

The upstairs reading room is packed with millions of rare books, literary manuscripts, and historical treasures.

A view-altering observatory at the University of Texas.

This spectacular bridge is part of an abandoned train line that once connected Mallorcan capital to the southeastern coast.

This historic electric train has operated with regularity since the early 1900s.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

Gold Rush-era tombstones line the park's paths.

The miraculous hydrant that saved the Mission District in 1906.

A 300-ship graveyard, with a few still visible at low tide.