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

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

Quite simply the largest tree in the world (by volume).

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This Elizabethan hedge maze is one of only six in North America.

The final resting place of a space program monolith.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

Rustic natural hot springs in the deciduous rain forest.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

One man's ambition created this psychedelic log home.

One of the largest, oldest, darkest, quietest motel rooms in the world.

Abandoned bridge hidden deep in the San Gabriel Mountains.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This attraction was abandoned after the Chernobyl disaster.

A picture-perfect town, perfect for blowing up.

Walk 2,300 feet above the ground on the "Troll's Tongue."

A Hawaiian stairway to heaven—that you can't climb.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

A natural gas leak provides a flickering flame beneath a waterfall.

Hollowed out cedar log tubs set in an ancient towering forest.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.