In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

This isolated airport in the middle of the Everglades sees more alligators than planes.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

A local road runs around a memorial to a teenager who died in 1860.

Owned by no one but beloved by all, Brownie was a good dog.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

A mailbox that saved a nature reserve.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

Home to the deepest rift anywhere on Earth.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

The unique circular corral belonging to the “Cattle King” of Oregon.

At the base of Steens Mountain resides an otherworldly desert.

The victims of a free-floating Japanese bombing during WWII are remembered by this stone monument.

A volcanic fissure over two miles long and up to 70 feet deep.

A volcanic landmark located on an Ice age lake bed.

Formerly secret, precariously perched boulders.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

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