This New England drive-in was built to straddle the border between two states.

This groundbreaking 16th-century map is known as "America's birth certificate."

The highest tides in the world come in and out here twice a day, allowing you to essentially walk along the ocean floor.

The tree is thought to be the oldest oak in Texas and was once crowned state champion for its monumental size.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

These two giant boulders mysteriously perched on a 60-foot cliff may have been slung up there by a raging tsunami.

Huge spherical rocks in the middle of the prairie.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

One of the largest sand dunes in the world is nicknamed the "Scary Mountain" due to its steep slope and sharp incline.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

This boulder with a 200-word legal dedication to God has remained hidden in the woods for over 150 years.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

A large stone map of Arkansas awaits visitors to its highest point.

One philanthropist's extensive collection of knick-knacks and curiosities is now a public museum of oddity.

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

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.