The US Navy's only submarine museum is also home to the world's first nuclear submarine.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

A gas station has taken the place of the home of the 19th American President.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

One man's love of sea life and art has turned his home into a temple of outsider island art.

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

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Yo, Adrian!

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The oldest continuously operating church in California.

Floating man-made island and upscale restaurant.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A fitting attraction for the corn capital of the world.

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The bomb-ravaged remains of of a colossal Neptune.

Five candy-colored villages on the Italian Riviera.