Every year, over 25,000 monarchs overwinter in Pacific Grove.

Home to the "Circus" trees created by Axel Erlandson.

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

A giant chess set, minus the psychedelic drug trip.

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

An extensive collection of ancient Egyptian artifacts and mummies.

Three plaques mark the spot where the "forgotten father of broadcasting" worked.

It took years to decode its mysterious messages.

It is locally loved and ridiculed for literally looking like poop.

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

This 252 step staircase offers stunning views of San Jose.

A lonely monument to the original Silicon Valley tech campus.