This high-Andean reserve protects the graceful vicuña that was nearly hunted to extinction for its precious wool.

An Inca spa, military outpost or maybe… both?

The sophisticated hydraulic system of the Nazca civilization.

The shockingly unspoiled Peruvian tomb of the Lord of Sipan was once guarded by a footless warrior.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

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

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

Free public park and gardens filled with peacocks and peahens.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

An emerald-green grotto just a short trip from Austin.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

Jule Körner's house full of bizarre architectural details.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This woodland architectural installation acts as a camera obscura for the heavens.

This scented city oasis was a labor of love.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.