Stand inside the dark interior of an historic redwood tree that once was used as a general's headquarters.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

The California capital city once stood 10 feet lower than it does today.

The unbelievably opulent home built for an infamous newspaperman.

The oldest lawn bowling club in the United States.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

San Francisco’s condensed garden of incredible plant growth.

Once the fastest ship from San Francisco to Tahiti, the Galilee now lays in pieces in three different cities.

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.

Home to one of the world’s largest collections of model yachts.

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

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

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

This historic roadhouse has many tales to tell of San Francisco's early history.

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

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.

Olfactory delights in San Francisco's Botanical Gardens.

The remains of a 12th-century chapter house in Golden Gate Park.

California's most comprehensive horticultural library.

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

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

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

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.