This Toronto garden collects stares and tchotchkes in equal measure.

A misunderstanding gave this 18th-century racehorse a most amusing name.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

A century-old shot ball factory tower is open to the public once a year.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

A restaurant and observation deck built in a unique broadcasting antenna.

Super-heavy Nazi architectural experiment.

A wunderkammer of mysterious objects and stories.

A museum dedicated to a Cold War era sausage.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A surreal museum of extraordinary industrial objects.

A slice of central Asia in the middle of Berlin.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

This Croatian computer club features such gaming relics as the infamous Virtual Boy and an 8-bit Pacman machine.

An ancient knight and a symbol of the city's freedom.

Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.