This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

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

Ancient pueblos built into the base of a natural canyon wall.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

A cemetery for only coon hounds in northwest Alabama.

The highest point in Mississippi is a hilltop that was once used to bombard a nearby town with artillery.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

Collection of vintage trailers double as hotel rooms.

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

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

Experience a charming 1930's version of "infotainment."

Mysterious glowing orbs float through the desert night.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

148 feet long and in the middle of a verdant forest.

A miniature city built by a single hunchbacked monk.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

This 1,500-acre development hopes to be the Central Park of the South.