Copenhagen's celebrated theme park and gardens.

The house where a Danish physicist discovered the connection between electricity and magnetism.

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 art museum is decorated with creatively remodeled pre-Nazi swastikas.

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

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

From a distance, this statue of an eagle looks like a giant chicken on a stick.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

One of the most easily accessible examples of the rare 1960s UFO houses.

A fearsome dragon clings to a corner of Munich's city hall.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The alley connecting two of country music’s most historic venues has a rich history of its own.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.