A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

An abandoned movie set in the desert of West Texas.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

Mysterious glowing orbs float through the desert night.

This old abandoned sign flickers to announce a motel that isn't even there.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

This museum explores the grim reality of life in the earliest British colonies in America.

The drama of nature in full effect in this Nevada State Park.

A tunnel with windows, so you don't miss out on the impressive views.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

The king of U.S. high points towers over every other peak on the continent.

Four-story concrete hotel never opened to customers.

The sculpture's largest spire points directly toward the North Star.

This super-sized statue is the only public memorial to the deal that ended America's neutrality during World War II.

A trading post in the North Pole where children send letters.