Abandoned bridge hidden deep in the San Gabriel Mountains.

This may be the last of London's wooden pavements, which were once a common sight in the city.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

Abandoned for 60 years, this submerged bridge was completely forgotten until the lake was drained.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

This serene, turquoise lake in an extraordinary nature reserve showcases a rare natural phenomenon.

A boat ride through utter darkness, lit only by headlamps, reveals an emerald green pool locals believe is sacred.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

This remarkably well-preserved Incan city managed to survive the conquistadores.

A jungle cave in Peru of unknown depths, otherworldly sounds, and strange nocturnal birds that navigate by echolocation.

A colorful Peruvian city of the dead.

What happens when a chef with indigenous roots takes over a hotel-restaurant?

Named for the 39 tribes that live in Oklahoma, this restaurant's menu deliciously highlights local flavors.

The dishes at this restaurant by The Sioux Chef celebrate indigenous heritage.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

What started as a collection of vintage tractors turned into a museum filled with cars, radios, and other oddities.

This extensive collection of vintage Soviet cars is the only one of its kind in the Caucasus.

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This remote location of this Moorish stronghold means it doesn’t attract many tourists—and that it still has the aura of fear and bravery of the 1300s.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

From Vikings to nationwide rebellions, this castle has seen its fair share of warfare.