Take an underground boat ride through a former hydraulic raceway that was built in the late 19th century.

The mansion home of author Edith Wharton.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This antique shop specializes in the history of print and design.

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

A library and museum dedicated to typography.

An essential stop before plundering, BYO Cutlass.

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

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

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

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

Furniture tries to escape an abandoned building in San Francisco.

This museum explores the history of the book, from scrolls to mass-produced objects through tools, stories, and massive cast-iron binding machinery (some of it operational).

Appropriation-friendly collection of books, periodicals, and more.

This surreptitious shop is only open five hours per week.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

In the mid-19th century, an eight-sided house was the latest fad.

A castle built for love, and abandoned due to heartbreak.

This Central New York ghost town was once a prosperous railroad community.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.