A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A cave's rare beauty held a cavernous secret hidden underground.

Search for traces of the dinosaurs that roamed here more than 90 million years ago.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

The highest point in Texas is capped by a big silver pyramid.

Steep canyon walls hide a forested oasis in the West Texas desert.

This mountain tram provides stunning views while hanging from a single, steel thread.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

More than 21,000 images fill this overlooked gem of a prehistoric site.

This is one really big nut.

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

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

A classically trained chef makes beloved burritos inside a gas station.

Find regional specialties from the Thai-Laotian border inside in a North Hollywood swap meet's food court.

This well-traveled chess park offers scenic views of the pacific and a colorful, eclectic clientele.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

L.A.'s oldest operating bowling alley is a beautifully restored homage to its speakeasy days.

This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.