American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

Ice cream stand, snack bar, and time capsule of milk conveyance.

A huge musical instrument played by the ocean.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Generations of rockhounds got their start at this beloved, historic mine.

The steel hull of a wrecked tug rests on Lobster Cove on Monhegan Island’s rocky southeastern shore.

Two thousand artifacts from around the world collected by one woman who loved to travel.

The world's largest rotating world.

This tiny patch of arid sand sits in one of the greenest states in the United States.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

A psychedelic labyrinth on the San Francisco bay.

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

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

Only hotel where you can legally launder money.

This Japanese treats shop may have been the first business to mass-produce fortune cookies in the United States.

The oldest lawn bowling club in the United States.

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

This turn of the century masterpiece has a mysterious goaty interloper.

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

California's most comprehensive horticultural library.