A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

This odd California folly seems like it was almost designed to accumulate urban legends.

The world's most famous donkey lives in this pen.

From the Difference Engine to the Cray-1, all under one roof.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

If you are looking for a used Russian battery, Chinese Ham Radio or other electronic oddities this Flea Market is a good place to start.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

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

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

A classically inspired temple in Redwood City.

An extensive collection of ancient Egyptian artifacts and mummies.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The headquarters of a secretive order is also a beautifully-designed park.

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

This giant shopping mall still holds signs of its automotive past.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

A Roman-inspired temple once controlled half of San Francisco's waters.

Location of the most powerful laser in the world, and the potential birthplace of tiny stars.