100 massive sculptures in the Hudson River Valley.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

Why have you never heard of the second most popular tourist site in New York?

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

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

A Manhattan Episcopal church with an eerie underground crypt.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

An abandoned castle owned and ignored by Masons carries a cursed history.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

The highest point on the island known for buildings that touch the sky.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

The first and only carousel with a lineup entirely of insects.

The famous author's cottage hideaway.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.

A massive Montreal stadium that has seen nothing but trouble since its inception.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

This former crime corner has been turned into an eclectic community center.