A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

The site of murders and Satanic cult gatherings.

A taste of Middle Earth, in the middle of the Bayou City.

Legends surround this jagged rock formation in the New Mexico desert.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

A stealthy Apache hideaway that became the haunting site of a mass grave.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

The Grand Canyon of Texas.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The largest earthwork effigy in the world.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.