A free display of artistic lifesize dinosaur sculptures in a backyard garden.

The rustic cabin-like decor of this Arts and Crafts-style church reflects the love of nature central to its little-known theology.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A psychedelic labyrinth on the San Francisco bay.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The most famous location in China was home to whole dynasties worth of imperial rulers.

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The world's longest known cave system.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

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

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

The first declared National Monument 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.

Enormous lake at the bottom of a unique cave system.

Dramatic river bend surrounds a natural red-rocked pedestal.

Macabre astrological automaton clock dating to the late 1400s.

The fairy tale castle of the "fairy-tale king."

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

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.