This small cemetery is all that remains of Atlanta's first Black communities.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

Located outside Medellín, this Colombian park focuses on conservation and sustainability.

The Andean town where every single building is decorated with a brightly colored frieze.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

Colombia's biggest botanical garden contains plants from all across the country.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.

Storied crypts fill the most famous cemetery in Colombia.

Would you dare to dangle from a great height in a wooden basket?

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

On the edge of the Valles Caldera National Preserve, these rock formations create an eerie landscape.

This high desert botanical garden is a unique display of Northern New Mexico's geology.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

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

Legends surround this jagged rock formation in the New Mexico desert.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

A clear blue swimming hole with hidden caves, still unexplored.

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

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