This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A geological mystery on Camelback Mountain.

A mysterious "wedding cake" castle in the middle of the urban desert.

A spiritual vortex among the red rocks in Sedona.

An homage to everyone's favorite prehistoric cartoon family.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The classic Atari game's iconic aliens have invaded downtown San Diego.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

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

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

Pay your respects to a folk-punk legend.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

World-famous, Pink's still manages to keep its prized cult fetish status.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

A music-filled, booze-soaked oasis in the desert.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

This giant spider sculpture made from the iconic car is one giant visual pun.

A 250 million-year-old rock formation has earned a rather unique nickname.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

This general store offers visitors a glimpse back into the 1930s.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.