A hollow cement depiction of time's inexorable effect on the human body.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

The Flatiron Building's storied West Coast cousin is a lot more into religion.

Once the gateway to the utopian dream-village of a Civil War embalmer.

An enchanting tunnel of cypress trees leads to an old morse code station still used today.

Frank Lloyd Wright died a year before construction on his largest public project even began.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

This abandoned boat was left in place thanks to its rotting beauty.

Concrete strongholds stand guard over the Golden Gate.

Internationally-recognized arts center housed in a century-old former military barracks.

One man's love of natural beauty led to the creation of this hidden granite monument.

Only hotel where you can legally launder money.

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

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

This private residence was the template for one of the most beloved television homes of all time.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

Stand at the center of this lakefront sundial, and you'll become part of the timepiece.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

The land is home to swimming ponies and a legendary 18th-century treasure.

This elaborate towering structure was once famed for its revolutionary height.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.