A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

A popular winter vacation destination for migrating monarch butterflies.

360-degree virtual reality chamber physically immerses scientists into their data.

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

A man-made island in scenic San Francisco Bay.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

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

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

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

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

This 19th-century church is now a popular roller rink.

These subterranean storage areas hold emergency water reserves.

This eatery transports diners to a place that no longer exists: East Germany.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.