A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

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

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

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

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

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

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

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

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

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

The largest fountain in Bratislava.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

This uncanny fresco celebrating the "triumph of death" was split into four pieces to be moved to another museum.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Haunting graffiti left by prisoners of the Spanish Inquisition.

Every inch of this chapel is covered in craftsmanship from across the world.

Thousands of well-dressed mummies below a monastery.

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

A spherical "micro-nation" in the heart of Vienna.

A bronze monument to his majesty, King Gino.

An extraordinary collection of 18th century anatomical waxworks.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.