The "worst battleship ever built" is enjoying a grand second act, submerged 30 feet in the Gulf of Mexico.

Toss a Frisbee through the ruins of this Colorado gold mining town.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

One of the largest private collections of cars manufactured by the short-lived Franklin Automobile Company.

The first permanent memorial to a unique secret weapon of World War II.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

This golf ball–shaped former desert real estate office now houses a UFO museum.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

One of the oldest train stations still standing in Virginia played a vital role during the Civil War.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

This museum sits on the site of a decommissioned military communications base.

A museum dedicated exclusively to aircraft used in the military.