The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Visit a museum dedicated to the “the king of cheeses.”

Thought to be the oldest Norman crypt in the world.

The cellar of a former factory is now home to a collection of gloves, machines, and tools of the trade.

One of the most historical literary characters continues to stroll his hometown.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

This supermarket offers shoppers a window into the past alongside their groceries.

The longest hedge maze in the world.

Standing atop Wellington Hill is the world's tallest three-sided obelisk.

How did a literal hole in a wall become one of the top-rated tourist attractions in this English town?

This precipitous pathway with its wrought iron handrail was created by the Victorians as a tourist attraction.

The view from this giant Stone Age toad is unexpectedly beautiful.

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

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

A dark, narrow tunnel that leads to a charming lake and waterfall.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

This garden is very fertile.

Perhaps the most spectacular grotto along the Algarve coastline.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

This small chapel is built of human bones and decorated with a golden skeleton.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

This Belgian observatory bears a striking resemblance to Futurama's Planet Express building.