Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

A naturally mummified 2,000-year-old man.

London's old-school healing garden.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

Military artifacts from the Salvadoran Civil War are displayed in this small but notable museum.

A legendary tree towers within its own vibrant sanctuary.

A Mayan village preserved for centuries in volcanic ash.

This risky summer festival honors a historic volcanic eruption.

Antoine de Saint-Exupéry's 1943 book shares a surprising connection with El Salvador.

This one-man homegrown eatery may be the world's most exclusive restaurant with its five-year waiting list.

One man's labor of love, Amman's oldest home has become a time capsule with its doors permanently open to artists and guests.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A snapshot of the city's fascinating voodoo culture.

On Japan's Tashirojima Island, cats are king.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

An exquisite tunnel of cascading flowers.

A crumbling hospital from the 1850s on Roosevelt Island.

World's first "penitentiary," meant to be humane, drove men insane.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

World's largest collection of serial killer artwork and other macabre exhibits.

Rippling sand dunes frozen in the Arizona rock.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.