The rocks in this arid basin leave trails of movement behind them.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Dig for your own trilobites in this goldmine of invertebrates.

Cold storage for agricultural biodiversity.

The most alien-looking place on Earth.

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

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

Hollowed out cedar log tubs set in an ancient towering forest.