One of the most unusual geological features, recognizable from a dozen hit movies.

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

Four hundred granite steps were built into this massive rock by the National Park Service.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

Odd outsider art installations surround a Gold Rush-era ghost town.

The most magnificent bottle house in a town strangely full of them.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The rocks in this arid basin leave trails of movement behind them.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

Towering basalt columns, a creation of fire and ice.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

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

One woman's Viking Castle on Lake Tahoe.

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

This fully intact Neoclassical-Greek Revival style firehouse operated until 1938.

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

A wild west land agreement was etched right onto this historic Idaho stone.

A controversial memorial at the place where Captain Cook met his violent end.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This black shoreline is made up of exploded lava particles.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.