Hand-powered race of alternative forms of transportation.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

Massive prehistoric mammals used these stones as oversized scratching posts.

A world-class observatory in the California desert.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

An optical illusion found amid a logged redwood forest.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

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

San Francisco Bay's ghost town.

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

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

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

One of the ghostly stops along Route 66.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

San Diego's most historic and haunted home.

The largest drain hole in the world.

The final resting place of a space program monolith, soon to be unveiled again to the public.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

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

The tea room that pushed the boundaries of adorable straight into... we can't find the words.