Shop selling 500 flavors of soda has something for everyone.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

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

"I did this all while you were watching TV."

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

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

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

An enchanting work of outsider art, full of whimsical sculptures and carvings.

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

On a small Puerto Rican island, banks of secret naval bunkers lie abandoned and filled with piles of office equipment.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

This nearly abandoned "company town" is a ghost of Puerto Rico's once-lucrative sugar industry.

This former sugarcane transport tunnel is now a portal to a lovely beach.

Years of neglect and nature took a toll on this 19th-century lighthouse.

This community-driven organization uses education and eco-friendly technology to protect the environment.

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

The world's second largest single-dish radio telescope, once used to contact E.T.

This small primate research island is teeming with playing, fighting wild monkeys.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

The world's brightest bioluminescent bay.

Driftwood dinosaurs lurk within trees covered in a rainbow array of avian abodes.