This iconic water tower and failed bandstand is open for panoramic views once a year.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

The first declared National Monument in the United States.

A popular rock that acted as a waymarker for American pioneers.

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

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

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

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

A man-made island in scenic San Francisco Bay.

Where a staggering 747 ships were constructed during World War II.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

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

Odd stone and concrete monuments in the "Poet of the Sierras" eclectic folly garden.

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

A beach made of semi-precious green sand on the Big Island of Hawai'i.

This black shoreline is made up of exploded lava particles.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.