Latvia’s first skyscraper, nicknamed ‘Stalin’s birthday cake.’

Known as "The Spewer," this bizarre fountain has an even stranger urban legend behind it.

In the middle of a Brussels roundabout, a cargo container balancing on its edge.

Belgium's national heroine turned spy sacrificed her life to combat German occupation.

Keep your eyes out for this "ghost" and walking pun.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

The only museum with its curator—and her pets—buried inside.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Two stone columns flank the grand Venice square, but there were supposed to be three.

100 year tradition of fist fights, marked by marble footsteps.

Go inside to really appreciate this 500-year-old technological masterpiece.

Depending on how it is measured, this lighthouse can claim to be the tallest in Europe and the tallest conventional lighthouse in the world.

Genoa's collection of over 4 million zoological, botanical, and geological specimens from around the world.

Massive galleon from a box-office bomb docked in Genoa.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Widely advertised as Amsterdam’s narrowest street, this passage was once a highlight of the Red Light District before its windows closed.

A monument dedicated to three unlikely visitors to North America.

This public amphitheater was once a key part of Monaco’s defense strategy.

This 820-foot-high spiral ramp is a walkway to the sky.

This 400-year-old tree is actually an immigrant from North America.

One of Vienna’s oldest (and perhaps most haunted) alleys, allegedly with a bloody past that gave it its name.

A bizarre representation of our ever forward moving society.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

The abandoned military base looks like a post-apocalyptic wasteland.