Mexico's largest collection of masks is found in the ruins of an abandoned convent.

The Grand Canyon of Texas.

The unique circular corral belonging to the “Cattle King” of Oregon.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A huge musical instrument played by the ocean.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

Town not known for anything except its strange name.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

This historic tower in the California desert promises visitors a "vortex of good vibes".

The last Americana on Route 66.

Oldest building in California still in use.

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

Golden Gate Park's historic collection of plants.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

A vast city of the dead, where the deceased outnumber the living by more than a million.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

This turn of the century masterpiece has a mysterious goaty interloper.

An overlooked and unassuming engineering marvel.

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