A free, canine-friendly alternative watering hole near the more famous Barton Springs.

A unique walk through hundreds of cactus plants, including some that stretch over 8 feet tall.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

This New Orleans boutique and nursery specializes in rare flora, with a focus on carnivorous plants.

This Louisiana folk art gallery is a gnarled collection of driftwood homonculi.

It specializes in outsider art and artifacts of secret societies.

A former electrical substation is now home to an eccentric junk art masterpiece.

Continuing the tradition of the dime museum in style.

A fairytale-like grove with a crystal-clear spring bubbling under the shade of a massive ancient tree.

A river runs through this remote valley in a very unexpected way.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

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

At the base of Peña de Bernal, a small business keeps evidence of alleged extraterrestrial visitors on display.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

Ruins of a once-opulent grand Victorian resort.

This big empty pig is a nostalgic throwback to mid-20th-century Texas barbecue.

Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.