The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

The “City of Stairs” sits high in the Andes, above the world’s largest underground copper mine.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

This tiny hotel perched atop a 50-foot tower really puts things into perspective.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

A mysterious demonic figure peers down from its perch within the gorgeous Chester Cathedral.

A whimsical sculpture garden right out of a children's storybook.

A small Denmark town displays a pair of titanic jaw bones as their community symbol.

Danish observation tower designed to look like a giant beer bottle.

This Danish art forest places loud works of contemporary art among the pensive silence of nature.

A public display of random paleontology.

In legend, this ancient dolmen was said to have been created when a troll tried to destroy a church.

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

The greatest amusement park in the world is wall-to-wall farting dogs, puking rats, and cows with exposed breasts for the whole family.

Hans Christian Andersen for the postmodern world.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

Preserved "bog person" that is over 2,000 years old.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

A natural wonder in south Denmark.

Iron Age "bog person" preserved for over 2,300 years.