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

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Towering basalt columns, a creation of fire and ice.

A trash dump made beautiful by nature's power.

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

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

A cluttered and astounding collection of antiquities and curiosities.

A tongue-in-cheek arcade where the games are based on everyday life.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

A classically inspired temple in Redwood City.