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

An enormous and lavish Gothic church in Czechia.

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

Guitarist Paco de Lucía overlooks travelers as they pass through this train station dedicated to his legacy.

This mountainside mural of a person carrying a torch was created for the 1994 Winter Olympics.

Once the scene of a young boy's home in revolt, this Norwegian island is now home to the world's first "ecological" prison.

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

Heralded as the oldest statue in London.

A relic of World War I that now exist as a piece of public art.

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

Heralded as one of the prettiest castles in all of Czechia.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

The majority of the highest mountain in Poland is actually located in a different country.

The world's newest astronomical clock is also its most accurate.

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

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

This stoic bronze soldier stands as a symbol of Russian sacrifice or Soviet oppression, or maybe both.

The tiny, studious rodents greet visitors to the National Archives of Finland.

The traveling wares of Denmark's most famous author.

Maybe the only restaurant in the world where your seat will be signed by a Nobel laureate.

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

You've probably seen these distinctive orange-tiled columns on the big screen.

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

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