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

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Towering basalt columns, a creation of fire and ice.

America's most famous piece of self-built architecture.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The legendary building that needed ghostly approval before being built.

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

A Masterpiece with a Tragic History.

Originally the home of chewing gum mogul William Wrigely Jr, it is now the official offices of the Tournament of Roses.

A stellar example of Art & Crafts architecture, and a movie set to boot.

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

A bigger-than-life pun that has become a beacon of altruism.

From silent movie theater to rock &roll palace and beyond.

The simple auditorium that launched a pop icon's career into the stratosphere.

"The Star Factory" cranked out Hollywood stars like nobody's business.

Sports history, made in the Arroyo Seco.

A (slightly) grownup take on the classic retro arcade.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

Medical and zoological curiosities for sale.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.