The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

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

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

A whimsical bridge adorned with decorative dragons.

A public work of art that also provides some relief from the summer heat.

This one-time health resort was used by aristocrats around the world.

The world's oldest known salt mine.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

The topiary maze at the Habsburg hunting lodge.

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

Baroque celebration of the end of the Great Plague of Vienna.

An exquisite Baroque church in Vienna's old town.

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

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

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

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.

An enormous and lavish Gothic church in Czechia.

A church of bones, decorated with 40,000 human skeletons.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Macabre astrological automaton clock dating to the late 1400s.

What looks like a suicide in progress is actually a statue of Sigmund Freud.