When you can afford only half a road, you build only half a road.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

Nature's biggest mammal swims in landlocked Oklahoma.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

One man's quest to save his town with a trail of record-breaking sculptures.

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

Trace the history of writing at this unusual North Carolina destination.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

A museum devoted entirely to the rattlesnakes and snake-related art.

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

"I did this all while you were watching TV."

A clear blue swimming hole with hidden caves, still unexplored.

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

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

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

The site of one of history's most indelible and horrific tragedies.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Every equinox this Maya pyramid puts on a spooky ancient light show.

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

This foreboding building was the headquarters of the terrifying Spanish Inquisition in Mexico.