A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

A creepy steel gremlin has protected the Bay Bridge since 1989.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

"Try not to knock anything over!"

One poet's handmade, anachronistic home.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

The oldest continuously operating church in California.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Continuing the tradition of the dime museum in style.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

The world's only known button museum.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

A Bibliophile's Dream.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This experiment in the lifespan of seeds will take a century before it is complete.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

One of the world's tallest, oldest, and most disgusting chocolate cascades.

The world's largest collection of witchcraft regalia.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

A bizarre house filled with an astounding array of collections.