Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Brooklyn's Barkaloo Cemetery is the resting place of a scant two bodies.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

In the middle of suburban Staten Island, a nearly 150-year-old bakery is preserving the art of a disappearing New York treat.

In the 19th century, this canal provided power to mills, machine shops, and other businesses in the area.

A billionaire heiress' menagerie of animals were lovingly laid to rest on the grounds of her former estate.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

Eccentric stone cairns built on a public New York City beach.

One-time largest man-made structure in the world will be a park in 30 years.

One of the last-standing and most prominent structures from a long-lost colonial port community.

This wooly sculpture supposedly marks the birthplace of a famous nursery rhyme, or not.

Eliot was the first missionary to produce religious text for Algonquians in their own language.

This building is more than 250 years old and was built in one of the first towns settled in Massachusetts.

One of the now-less-hidden floral gems of the "Emerald Necklace."

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

Commemorating the 1948 creation of the Jimmy Fund, a Boston-based cancer charity.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.