Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

The cliff and rock formations are made out of Sioux Quartzite.

A wildlife-filled oasis just off the coast of Myrtle Beach.

The two locations of this landmark ice cream shop scream pure Americana nostalgia.

Once luxurious, these oceanfront beach homes have been left to succumb to the elements as the beach is slowly washed away.

This natural wonderland is a unique chance to explore a Carolina bay, a mysterious geological formation of unknown origin.

One of the oldest living oak trees in the Southeast.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

These unique rock formations were created during the Ice Age.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

At the base of Steens Mountain resides an otherworldly desert.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

A massive sea stack famous for its appearance in The Goonies.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This frequently-photographed waterfall takes only a short hike to visit.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

Rare recess caves fill this unbelievably beautiful Ohio park.

A fire station-turned-church-turned-museum dedicated to the work of seminal light artist Dan Flavin.

This New York estate was designed to resemble a medieval Scottish castle.

A collaborative art project that transformed a neighborhood in NYC's Queens.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.