Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

A modern mechanical planetary system, part of a 10,000 year clock.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

The only theatre in the world constructed specifically for sound movement.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A winding path built in secret on the edge of the continent.

A huge musical instrument played by the ocean.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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

At this California chicken ranch, four bucks will get you 18 eggs and a chorus of dancing animatronic poultry.

The mayor made the declaration in 2004.

A breathtaking 19th-century trail overlooks Lake Tahoe.

A trail weaves through the verses of a poem illustrated by stone sculptures inspired by Native American pictographs.

There are two legends behind the origin of this unusually tall sanitary structure.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

A breathtaking viewing platform over the Alps.

For roadside fast food, pull over at the giant orange.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

A Roman-inspired temple once controlled half of San Francisco's waters.

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

The largest earthwork effigy in the world.

Native Americans built this circle of stones, which was used to predict astronomical events.