Most-visited and most-photographed slot canyon in the American Southwest.

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

A tall karst islet popularized by 007.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

An architect's childhood fantasy treehouse made real.

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.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

Come for the speed, leave in love with the desert.

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.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A huge musical instrument played by the ocean.

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

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

World-famous, Pink's still manages to keep its prized cult fetish status.