An innovative attempt to break a siege in the American Civil War still scars the earth today.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

The only Florida state park with publicly accessible caves.

Where Elvis Presley received his first Army buzz cut.

The only diamond mine in the world where you can keep what you find.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

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

An eatery for UFO seekers on the Extraterrestrial Highway.

Mysterious meeting place for UFO hunters near Area 51.

A picture-perfect town, perfect for blowing up.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

Odd outsider art installations surround a Gold Rush-era ghost town.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

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

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

The largest and most well-preserved petroglyph site in the Verde Valley.

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

A reproduction of earth's many biomes.

The world's largest military aircraft cemetery.