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

Standing in for the first ship to navigate the Northwest Passage.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

This stately structure has been abandoned for half a century.

Museum dedicated to the preservation of surf culture.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

Along a California highway is a kind of Jurassic Park made of metal.

Colorful Native American paintings are hidden within this small cavern.

California's oldest wind harp represents a historic piece of America's Danish history.

A Mysterious Masonic tomb in San Luis Obispo.

A remote crossroads honoring a fallen talent.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

Haunting and beautiful trees, doomed to die.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

An alley covered with 20 years of bubble gum.

A deserted hodgepodge of experimental structures designed by nearby university students.

A hotel and restaurant serving as the mecca of kitsch.

It's not your typical library, memorial, or book store.

Get up close to emus and ostriches, or buy their tasty meat.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The beautiful behemoth is one of the largest trees of its kind in the United States.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.