Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The longest living non-clonal organisms on Earth.

This 19th century train workshop is a treasure trove of railroad history.

A tiny survivor of the Donner Party disaster.

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

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

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

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

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

Tiki luxury on Nob Hill.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

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

A trash dump made beautiful by nature's power.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

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

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

At 207 feet, one of the world's longest continuous escalators.