This bridge's unique architecture honors nautical heritage and encourages self-awareness.

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

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

Denmark’s oldest bakery is home to the 'Wednesday Snail,' one of the best cinnamon rolls on the planet.

This sculptural representation of an Andersen fairy tale had to be pushed away for being too grim.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Cold war icon and onetime "hole" in the iron curtain.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

An astonishingly accurate water clock that doubles as an hourly spectacle in this Berlin shopping area.

Metro station with a claim to rock n' roll fame.

Turntable anonymously received orphans, alms, and groceries.

Blitzkrieg bop your way through Berlin's Ramones Museum.

A restaurant and observation deck built in a unique broadcasting antenna.

A small cave network was discovered under a home in Xagħra, in 1924 when the owner was digging a well.

These temples are among the oldest free-standing stone buildings in the world.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This sculpture used famed boxer Joe Louis as the inspiration behind its body.

This fountain was designed to honor the man who helped bring water to Barcelona.