These medieval monastery ruins are surprisingly overlooked by most tourists.

A subterranean house of worship carved right out of the bedrock.

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

A giant gorilla made of used car tires used to sit sentinel over a Helsinki college campus.

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.

Things aren't quite what they seem at this mind-bending museum.

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

This tiny museum's sizable collection is jammed into a former underground public toilet.

Metro station with a claim to rock n' roll fame.

The oldest trees in Northern Germany.

This ancient oak tree plays matchmaker for singles willing to branch out from the usual dating scene.

An abandoned underground bathroom is now a space for public art.

The many—66 to be exact—faces of the German forest.

The difficulty of getting a good night's sleep is an age-old affliction according to the one-of-a-kind Snoring Museum.

Made from trees and then abandoned, this fence is still growing along a path in Germany.

A former Nazi lookout tower with a magnificent view of the Rhineland.

There are two dozen tanks just sitting in an open field in Lower Saxony.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

The abandoned mine where American troops discovered a treasure trove of art and artifacts hidden by the Nazis.

An old slaughterhouse now holds the largest collection of pig artifacts.

An amusement park on the grounds of an unused nuclear power plant, with a swing ride inside the cooling tower.

A small man-controlled waterfall powers an Art Nouveau elevator and is accessed via narrow gauge, solar-powered tramway.

After years of being casually peed on by humans, this tree is peeing back.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.