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

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The last Americana on Route 66.

Bug-devouring flora are the stars of a special wing of the glass conservatory.

A monument to the love people have for their pets.

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

A hidden subterranean installation offers a view of the sky.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

Olfactory delights in San Francisco's Botanical Gardens.

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

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

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

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

Haunting and beautiful trees, doomed to die.

A hotel and restaurant serving as the mecca of kitsch.

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

Megachurch turned Catholic church comprised of 10,000 glass panes.

A museum, art project, and institution that demands we look at the world around us in a strange new way.

A modern day curiosity cabinet.

First LEED-certified gas station in the United States.

Iconic Los Angeles residence famous for its 19 statues of Michelangelo's David.

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

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

Ancient human, animal, and geometric figures drawn in the earth.