This network of tunnels housed an entire village for years, and even had a hall for screening movies.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

Have fun at the world's first Buddhist waterslide park.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

World's largest cave was only discovered in 1991, and now offers tours to the public.

This ruined temple's giant Buddha statue bears the scars of the Second Indochina War.

More than 200 statues filled with cryptic symbols give this park spot an aura of horror vacui fantasy.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

A living antique aviation museum in the historic town of Red Hook, New York.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

The phone booths of New York City have all but disappeared, but their remains were once found in this "graveyard," sadly now removed as well.

An enormous cat made of recycled wood scraps.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

A young woman's senseless murder led to the controversial psychological theory of the "bystander effect."

A retired subway car stands alone in a field in the middle of Queens.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."