This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Ancient ruins hidden underneath a modern luxury hotel.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

This super steep hike ascends 2,000 feet in less than a mile.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

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

An architectural oddity hides in plain sight on this iconic London bridge.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A student driver's nightmare.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This aging storage facility is the world's largest brick warehouse.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

What do we know about the real woman behind one of the Beatles' most famous songs?

The Liverpool street made famous by the Beatles is real.

The quiet field that inspired one of the most famous songs of all time.

Climb inside an iron crystal magnified 165 billion times its normal size.