This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

One of the shortest streets in York has an especially odd name.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

This Wyoming town is fascinated by a particular mythical creature.

This unique collection collects pieces of art etched into thin pieces of stone.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

A book bound in the skin of an infamous criminal, along with countless other specimens.

The most loyal of little dogs, or a Victorian era publicity stunt?

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

One of England's most famous churches hides a pair of little known architectural treasures.

This skewed English house has looked like it's going to fall over for centuries.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Giant, friendly pelicans in Central London, the most unlikely of places.

The world's largest commercially available hamburger is complete with 15 pounds of lettuce, 30 pounds of bacon, and 36 pounds of cheese.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

The 15-foot-wide, 2-ton pan fries hundreds of chickens once a year.