Off the Florida coast, a whimsical world of marine sculptures are revitalizing coral reefs.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

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

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

After being abandoned for decades, Oklahoma’s first air-conditioned theatre was reborn in the new century.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Steep canyon walls hide a forested oasis in the West Texas desert.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

Watch the newest land on the planet form before your eyes.

A rare kind of blue bear can be found chiefly in the national park that shares their name.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

A 19th-century cabin built into a hollowed-out Sequoia tree.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

Massive mounds of golden sand look like a desert landscape randomly plopped in an Arctic forest.

This maintained cabin is where Josie Morris, an occasional associate of Butch Cassidy, lived out the last 50 years of her life by herself.