Ruins of a once-prized railroad station in New York.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Play heads or tails with thousands of different coins.

The Hudson River School comes alive at this palatial estate.

Three acres of mythology-inspired sculptures are visible from the highway.

Church in Manhattan holds the bloody sock of Padre Pio, among with many other unusual relics.

Harlem park dedicated to compulsive hoarders killed by their own junk.

Eclectic architecture in the woods of New York.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

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

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

A collection of unique outdoor sculptures surounded by the beauty of nature.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

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

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

A mysterious echo seems to defy the laws of acoustics.

What happens here stays here – unless it affects the whole world.

This Central New York ghost town was once a prosperous railroad community.

This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

19th century cemetery hidden in Brooklyn's Prospect Park.

The birthplace of America's favorite fruit-flavored mystery dessert.