Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

No one knows the origin of this creepy little stone man with an oversized phallus.

Dedicated to a synagogue that was destroyed after having survived World War II.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

In an area known in Bratislava’s postal history, this sculpture sits equipped with a functional postbox.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

Brass plaques embedded in pavement preserve the memories of those who lost their lives at the hands of Nazis during World War II.

A sculpture of the beloved author surrounded by characters from his fairy tales.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Designed as a reminder of one of the darkest moments in Austrian history.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

This London plaque marks the spot where David Bowie's famous alien made his debut.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Heralded as the oldest statue in London.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.

The final resting place of a German diplomat's beloved companion.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

England's most famous front door has an accidental doppelganger.