The only road through the heart of Glacier National Park.

New fungal and bacterial species call this deadly lake home.

The mayor made the declaration in 2004.

Home to the deepest rift anywhere on Earth.

A memorial for the mustachioed record-setting runner.

A Roman-style column in Oregon hides a spiral staircase inside.

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

100-year-old shipwreck you can walk up to at low tide.

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

Thousands of turbines whir at at the origin of North American wind power.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

More than 700 species live within this murky marvel of a swamp on California's coast.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A house built from trash known as the poor man's Hearst Castle.

Golden Gate Park's historic collection of plants.

This private residence was the template for one of the most beloved television homes of all time.

This massive redwood tree has a hole in the base big enough to drive through.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.