Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

California's own majestic geyser is powered by a subterranean volcano.

The fossilized remains of ancient California redwoods.

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

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

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

San Francisco's newly reopened hands-on science museum.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Towering basalt columns, a creation of fire and ice.

A trash dump made beautiful by nature's power.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

A museum devoted entirely to hammers has more than 1,400 items on display dating back to the Romans.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

The king of U.S. high points towers over every other peak on the continent.

This geodesic gallery holds a collection of painted spheres that make traditional canvases look lazy by comparison.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

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 beautiful geyser under environmental threat.

The first declared National Monument in the United States.