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

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

This historic hotel invented the chocolate brownie.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

A lush green oasis in the middle of Chicago.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

The remains of the great moral philosopher reside in a university in London.

A naturally mummified 2,000-year-old man.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

An incarceration museum on the spot of possibly the oldest prison in England.

London's smallest police station is barely the size of a phone booth.

Hear the quietest sound from across the dome.

One part local history, 99 parts gruesome haunted house.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The final resting place of the great navigator, or maybe his brother.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.