If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The view from this giant Stone Age toad is unexpectedly beautiful.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

This leafy estate is worth $18 million and is so grand it has two mailing addresses.

A computer bug so primitive it was an actual insect.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

Albuquerque found the perfect use for tumbleweeds at Christmastime.

A psychedelic labyrinth on the San Francisco bay.

A winding, blood-red tunnel of hardened lava navigable by foot.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

Human-made caves excavated to hide a secret society of wealthy pagans.

A Neolithic burial site built 1,000 years before Stonehenge.

The two massive guns that defended Cartagena Bay.

This roundabout was renamed in honor of the Swedish king's royal fender-bender.

A popular European tradition makes its way to the states on one of America's most famous bridges.

100 year tradition of fist fights, marked by marble footsteps.

The wreckage still sits at the exact spot the plane crash-landed in 1945, carrying 1,000 pounds of explosives.

The Goose Girl of Göttingen, Germany might well be the most kissed girl in the world.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

Largest man-made excavation on earth!

The remnants of an early American attempt at missile defense.