Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

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

America's most famous piece of self-built architecture.

An abandoned lighthouse off the beaten path, one of the few surviving pre-World War II Japanese structures, offers a beautiful view.

An exotic wildlife habitat right off The Strip.

This beloved roadside attraction welcomes visitors with his signature neon smile.

A breathtaking 19th-century trail overlooks Lake Tahoe.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A giant knight, sex education, date shakes, and Jesus coexist happily in this Coachella Valley desert oasis.

The oldest continuously operating Catholic school west of the Mississippi.

A fine mixture of the old and the new topped with an art deco neon spire.

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

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

The unbelievably opulent home built for an infamous newspaperman.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

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

A beautiful geyser under environmental threat.

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

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This black shoreline is made up of exploded lava particles.

The 606 is a decade in the making.