A statue based on a tragic Japanese nursery rhyme, commemorating San Diego's sisterhood with Yokohama.

These two K-9 memorials commemorate the sister cities of Edinburgh and San Diego.

A hidden courtyard houses early 20th-century plaster masterpieces.

A secluded hilltop monument marks the final resting place of Lucy, Presidio Park's beloved white deer.

A futuristic-looking beach house built for the owner of a snack food brand.

This historic Chinese church was relocated and revived as a museum that preserves and celebrates Chinese art, history, and culture.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

One of the largest trees of its kind in California.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

An abandoned Cold War missile radar site.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

These free-roaming horses were once destined to disappear from the land.

The Flatiron Building's storied West Coast cousin is a lot more into religion.

This mysterious series of teeny guerrilla installations sheds a whimsical light on street art in Oakland.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

International delicatessen has been owned and operated by the same family for more than 110 years.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

Dive bar built out of the remains of a whaling ship.

A library and museum dedicated to typography.