Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

Old submarine parts have been converted into faux whale fins.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

"Only the devil could play golf here."

Despite its name, this route in southern Utah offers a heavenly day trip.

Nature's biggest mammal swims in landlocked Oklahoma.

A large instrument played by the wind.

Erosion and time have created a naturally-formed water park.

Home to the "Circus" trees created by Axel Erlandson.

A promotional sun clock on the site of San Francisco's great raceway.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

New fungal and bacterial species call this deadly lake home.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

Home to the deepest rift anywhere on Earth.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

This downtown Dallas art installation is always on the lookout.

20,000 pieces in a Frank Gehry-designed building.