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

A creepy steel gremlin has protected the Bay Bridge since 1989.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

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

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The largest permanent Monopoly board makes one of the longest games even bigger.

An extensive collection of ancient Egyptian artifacts and mummies.

"Only the devil could play golf here."

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

Rippling sand dunes frozen in the Arizona rock.

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.

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

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

This museum glorifies the humble potato.

A sculpture for the sun and stars, created by Nancy Holt.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.