A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

Eclectic architecture in the woods of New York.

This tiny museum kept in a B&B laundry room holds the death mask of notorious bank robber Pretty Boy Floyd.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

This simple badlands butte is the highest point in North Dakota and may be the only high point to charge admission.

One man's quest to save his town with a trail of record-breaking sculptures.

An entire city block built completely out of petrified wood.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

The only diamond mine in the world where you can keep what you find.

A diverse, expansive nature preserve in northeastern Kansas.

This historic railroad hotel built from Kansas limestone was once the most popular hotels for traveling salesmen in the midwest.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Only known mainland rookery of the threatened Stellar sea lion.

100-year-old shipwreck you can walk up to at low tide.

Former farm staffed by mental patients is now a public park.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

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

The final resting place of the living embodiment of the famous Forest Service symbol.

These eerie outliers of the lightning bug family glow a mysterious blue color.

A wedding chapel, vintage clothing shop, and bar all under one roof.

One of the largest public collection of historic armored and military vehicles in North America.