La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A terrific purveyor of natural history objects and curios.

New York's oldest magic store.

A semi-scholarly approach to sex.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

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

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

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

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

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Recovered suit of a cannibalistic West African gang.

A Natural History and Science Emporium.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

Mansion and shopping center used in the 1975 film "The Stepford Wives."

From scholastic to sepulchral - now under reconstruction.

The loneliest island in New York.

Series of storm drains connected to a dark urban legend.

A Manhattan Episcopal church with an eerie underground crypt.