Sometimes known as the little Niagara Falls of the Philippines.

Calcium-rich water has turned the water and rocks of these Philippines falls slightly green.

Five miles of underground river link lake to ocean.

Hidden deep within a Filipino jungle is an incredible waterfall that plunges into a dazzling blue-green pool.

The once-grand remains of this resort are slowly turning into the strange ruins of the future.

This wondrous waterfall rushing down a green-covered mountain wasn't discovered until 2010.

A magically clear, blue river that seems to spring from nowhere.

This curious fresh and salt water lake holds a secret that draws in deep divers from around the world.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This bridge is haunted by the ghost of a distraught mother.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

One of the finest examples of a black soil prairie that was barely saved by the Great Depression.

Twice a year, this road is closed off to allow for the migration of thousands of snakes, reptiles and amphibians between cliffs and a swamp.

Though it's thrived abroad, this forgotten Dunkin' rival has just one store left in the States.

An amazing collection of scale model ships.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

Planes, trains, and automobiles have all been sunk as attractions at this Illinois diving spot.

Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

World's second largest particle accelerator, where nature reveals its secrets.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.