The outcropping is graffitied with the name of the beloved musical Muppet television series.

The only Native American comic shop in the world.

Apparently, the whole cosmos emanates from this plain concrete tower.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

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

The U.S. Air Force has an anti-satellite laser weapon.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

$10,000 won in a poker game in 1884 allowed James Draughon to build this intriguing home.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

The only cave in Louisiana has played host to a state's-worth of clandestine activities.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Foragers once flocked to this big beautiful bayou to hunt for pearls.

Located in the place where the Columbia space shuttle came down, a museum-memorial that is both touching and informative.

The 19th-century ruins hide deep in an overgrown forest.

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

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

A Bhutanese temple gifted from the isolated Himalayan kingdom is now a surprising cultural gem located at the University of Texas at El Paso.

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

The Grand Canyon of Texas.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

This family cemetery is a reminder of a smallpox outbreak in late-19th-century Texas.

This hollowed salt dome is the largest oil storage facility in the world, hoarding 250 million barrels of crude oil.