The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A giant Troll lurks under one of Seattle's oldest bridges.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

A psychedelic labyrinth on the San Francisco bay.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

Buy your fish and have it cooked to order in this bustling, eight-floor seafood market.

A patchwork of ruins from various civilizations in one of the world's oldest continually inhabited cities.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

The largest hewn stone in history.

The fairy tale castle of the "fairy-tale king."

The birthplace of the titular coat and related products celebrates its claim to fame with a statue of a coat.

In the shadow of a former battleground, the resting place for nearly 2,000 soldiers who died in World War I.

A moving memorial to the fallen and missing from WWI trenches.

This memorial museum chronicles the apocalyptic destruction of the First World War.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

A little sculpture with a large wardrobe.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

2300-year-old Roman road connecting the empire.

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

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.