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

A life-sized mammoth sculpture marks the spot where the remains of a Columbian mammoth were discovered in 2005.

The largest permanent Monopoly board makes one of the longest games even bigger.

The first fresco Diego Rivera painted in the United States can be found in the former San Francisco Stock Exchange.

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

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

This print shop boasts one of the largest pinball arcades in San Francisco.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

With the touch of a button, you can read a randomly selected short story.

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

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

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

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

A museum dedicated to an incredible woman who founded a pioneering school for rural Black students.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

Don't be surprised if you see a long-necked dinosaur peeking out from among the trees in Northgate Park.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

Community bookshelf of 25-foot-tall book spines.

Less a museum than a bizarre fantasy world created by artists and engineers.