Centuries-old bridges grown from tangled roots.

The atmospheric road was never meant to be so creepy.

An ethereal glowing blue ocean cave in Croatia.

The oldest stone house in Paris was built by its most famous alchemist.

Resting place of Hollywood's immortals is also site of summer film screenings.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Stroll through a wonderland of stupendous moss-covered trees.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

New York's oldest magic store.

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

Ruins of a German Castle on top of a towering stone pillar.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Hollowed out cedar log tubs set in an ancient towering forest.

A taste of the macabre Tokyo's ritzy shopping district.

The final resting place of New Orleans' most famous voodoo priestess.

Once the most densely populated place in the world, this island is now a ghost town.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This abandoned amusement park was built on a site with a dark history.

A natural gas leak provides a flickering flame beneath a waterfall.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

In this historic region, homes and churches are carved into ancient volcanic rock formations.