This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Sail in for a ’dam good slice.

The last of Amsterdam's original sea level markers remaining in place.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

A floating cat sanctuary on an Amsterdam canal.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A beautifully eclectic mix of architectural styles.

Europe's official "zero-level," the equator of elevation.

New York City's smallest piece of private property.

The only subterranean ping pong table in Atlanta.

Sip a cappuccino in the historic cafe that introduced them to the United States.

One of the best places to dig—some say on the planet—for six different types of chalcedony.

A giant statue perched on dumpsters watches over the freeway.

"Leave a He-Man, Take a Transformer" and share a story about your real-life superhero.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

The taxidermied remains of a once-great parrot.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.