Discover the taste of mold.

A notorious punk house turned co-op.

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

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

A modern zoetrope on the New York City subway.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

A way to take your secrets to someone else's grave.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

A staggering collection of photographs depicting medical, social, and historical change.

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

The first museum in the United States dedicated entirely to posters.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

Have a steam and some blini at this cafe in a century-old bathhouse.

Holding the most bodies of any cemetery in the United States.

One of only two remaining Victorian-era greenhouses in New York.

Nature and beauty amidst pollution and industrial wreckage.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

This small, hidden cove is home to abandoned boats.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.