The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

These unusual rooms on wheels are holdovers from the 1960s.

The Pentagon sits on a former island that was in Virginia at low tide and D.C. at high tide.

The 28,000-year-old specimen is remarkably intact.

Also known as the Founding Church of Scientology.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

Two insane asylum bodies embalmed by an amateur.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

The failure of one component toppled this entire bridge during rush hour.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Church in Manhattan holds the bloody sock of Padre Pio, among with many other unusual relics.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

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

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.