Museum dedicated to the terror regimes of Hungary.

Be(w)ar(e) the moat around this historic Czech castle.

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

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

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

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

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

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

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This sculpture of a rhinoceros suspended above a city square is meant to evoke the weight of the human condition.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Op-art architecture designed for happiness.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Legends surround an ancient tree trunk riddled with nails for good luck.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

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

This strange statue depicts a young boy's body with an adult Mozart's head and a single wing.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.