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

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

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.

Hans Christian Andersen for the postmodern world.

A bus with a butt and biceps to put Olympic athletes to shame.

An Orwellian sculpture with eyeball cameras watches passersby.

Ice cream stand, snack bar, and time capsule of milk conveyance.

A Hawaiian stairway to heaven—that you can't climb.

This World War II-era bunker is now packed with posters and props from movies and TV shows filmed nearby.

A Japanese pilot crash-landed on this Hawaiian island after the Pearl Harbor attack and terrorized locals for a week.

The famous aviator's final resting place is a study in natural beauty.

Get up close and personal with these majestic fish.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

These ancient sacred grounds granted amnesty to those who managed to reach them.

Race through the maze, get your name on the sign.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

What remains of the summer palace of King Kamehameha III.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

World's largest collection of serial killer artwork and other macabre exhibits.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.