Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

One of the oldest wine cellars in Germany is now a restaurant beneath Bremen's town hall.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

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

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

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

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

Ruins of a German castle on top of a towering stone pillar.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

A musical instrument played by the sea.

An underground city of salt.

Italy's curious field of mud volcanoes is named for being both gross AND salty.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.