A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

This two-room shotgun shack in Tupelo is the birthplace of a King.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Official museum, hall of fame, and repository of the Texas Rangers.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

The highest point in Louisiana, Driskill Mountain at 535 feet above sea level.

A large stone map of Arkansas awaits visitors to its highest point.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

Mysterious glowing orbs float through the desert night.

Minimalist modern art on a repurposed military base in rural Texas.

A Prada store in the West Texas desert that is never open for business.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

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

This is one really big nut.

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

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

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

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

A museum dedicated to the alleged Roswell Incident.

"Only the devil could play golf here."