Dentist's hated concrete colossi are now beloved icons of the community.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

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

The echoes of a railroad town that solemnly mark the end of the line.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

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.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

One woman's Viking Castle on Lake Tahoe.

The only surviving prototype of Buckminster Fuller's revolutionary car.

From the Difference Engine to the Cray-1, all under one roof.

San Francisco Bay's ghost town.

This giant shopping mall still holds signs of its automotive past.

An extensive collection of ancient Egyptian artifacts and mummies.

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

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.