An enormous park-like oasis, full of famous Chicagoans' graves.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A clear blue swimming hole with hidden caves, still unexplored.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

See massive fossils that are over 200 million years old in northeastern Arizona.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

A picture-perfect town, perfect for blowing up.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Where manatees are the snowbird vacationers in these balmy Florida springs.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

A Hawaiian stairway to heaven—that you can't climb.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

Two thousand artifacts from around the world collected by one woman who loved to travel.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

An acoustic anomaly with a mysterious cause.

Explore 10 acres of environmental sculptures.