The fifth-longest natural arch in the world, and the longest outside China.

A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

It's safe—and permitted—to walk across these twin natural sandstone arches.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

A small oasis not far from downtown Moab.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

This childhood throwback has hundreds of arcade games and pinball machines to transport you back in time.

The first privately-owned space capsule to orbit and land carried a secret payload: a wheel of Le Brouère.

A cake-themed art installation tucked away in historic Chinatown.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

This museum honors the first Spanish land grant in California which is still in the hands of the original owner's family.

A bright California graveyard with a decidedly dark side.

A giant donut stands as a popular symbol of Los Angeles iconography.

The sun acts as a key that only fits this giant keyhole twice a year.

Don't bother sending any mail to this ghost town.

A bigger-than-life pun that has become a beacon of altruism.

The first fresco Diego Rivera painted in the United States can be found in the former San Francisco Stock Exchange.

This print shop boasts one of the largest pinball arcades in San Francisco.

This Alamo Square mansion is rumored to have hosted satanic rituals and other occult practices.

This 19th-century church is now a popular roller rink.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

Masterful ceramic fountain and map of the Pacific Basin.