The so-called "world's shortest river" is actually a window into a cave.

The former home of the hard partying literary power couple is now one of the only museums devoted to their story.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

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

"X" marks the spot of an echo chamber in the middle of a plaza.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Trace the history of writing at this unusual North Carolina destination.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

World's largest collection devoted to one fruit.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

This erect, phallic geological spire wasn't always named so domestically.

These strange large stones served as a campsite and lookout post for generations of Native Americans.

The only road through the heart of Glacier National Park.

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

The juke joint where legendary soul artists ate, drank, and made merry.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.