Used as an example in one of the first dictionary entries for "museum" in 1706.

Rare and wonderfully wormy cadaver art captured in brass for centuries.

A historic arboretum and non-conformist, non-denominational park cemetery.

Repository for more than 22 million pickled specimens.

Spiral labyrinth hidden in the hills above Oakland, CA.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

A vast city of the dead, where the deceased outnumber the living by more than a million.

A monument to the love people have for their pets.

Visible below the waves are memorials to the city's Gold Rush dead.

Early prototype for Frank Lloyd Wright's Guggenheim.

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

Private collection of art inspired by cabinets of curiosity.

A classically inspired temple in Redwood City.

Four miles of pipelines form the model of still-functioning retro-tech efficiency.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

The oldest Naval cemetery on the West Coast.

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

Where the polar bear watches over everything, and every drink is a double.

One woman's Viking Castle on Lake Tahoe.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The former Naval shipyard is open for exploring - mostly.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

Site of the first pathological and bacteriological research facility in the United States.