'Cause the fence start shaking, the earth was quaking.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

Visible below the waves are memorials to the city's Gold Rush dead.

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

The miraculous hydrant that saved the Mission District in 1906.

The peaceful gravesite of a rugged wild west gunman echoes the touching story of his last days.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

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

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

A natural dome made of volcanic glass in Inyo National Forest.

Towering basalt columns, a creation of fire and ice.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

A remote desert lookout offers unparalleled views of the California badlands for those who brave the trek.

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

A Mysterious Masonic tomb in San Luis Obispo.

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

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

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

The unbelievably opulent home built for an infamous newspaperman.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.