This preserved wilderness hides the remains of a colonial grain mill used to feed George Washington's troops.

Come for the pastrami, stay for the million-dollar art.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

This 220-year-old house is a reminder of New York City's Dutch past.

This park is home to well over 100 handmade birdhouses.

Oldest building in California still in use.

These unusual houses look like giant boats that washed ashore on a residential street.

The oldest structure in a beachside California city was built to serve eight students.

What began as an illegal art installation has become a symbol for unity, ocean awareness, and coastline preservation.

The timeworn "Yankee Stadium" of the fastest game in the world isn't going anywhere.

Found: Garden of Eden in Miami-Dade County, Florida.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

The home of former Heavyweight Boxing Champion, "Gentleman Jim" Corbett.

A long abandoned hospital building on the outskirts of NYC.

The oldest living organism in New York City. Maybe.

The oldest continuously operating farm in New York State.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

A reminder to choose water over wine since 1888.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

Electrical pylon in the shape of Disney's beloved mouse.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

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

The rare American Civil War-era weapon was never fired in anger.