Narrowest house in Boston.

Beautiful steampunk ghosts of early Massachusetts.

Radical Bookstore and Community Space.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

An enormous, inside-out glass globe built in 1935.

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

A sculpture of a salmon swimming through a brick building.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

This stockpile of junked electronic and mechanical gadgets is a favorite among Hollywood prop masters.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

Art in the form of a winding, man made crack in stone.

Half of a house.

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

A bigger-than-life pun that has become a beacon of altruism.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A unique piece of graffiti offers a little slice of local history and mystery.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A monument to the love people have for their pets.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A hidden subterranean installation offers a view of the sky.

In this century-old literary safehouse, print is alive and well.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.