Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Historic funicular railway, believed to be the shortest railroad in the world.

An essential stop before plundering, BYO Cutlass.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

"Looks so real, it's scary!"

Quite simply the largest tree in the world (by volume).

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

San Francisco's newly reopened hands-on science museum.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Its buzzing collection honors vibrator history.

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

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The ghostly remains of an accidental sea.

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

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

A psychedelic labyrinth on the San Francisco bay.

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

A huge musical instrument played by the ocean.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.

This historic graveyard was partially paved over to create a streetcar line.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The freeway that never was.

One man's quest for the ultimate road trip vehicle.