The competition: breathe deeply as long as you can.

A bronze ballot box stands at the spot where Susan B. Anthony voted illegally.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

This statue commemorates the meeting of the most influential minds of the women’s rights movement.

This Manhattan museum houses one of the largest collections of Spanish art and manuscripts outside of Spain.

A working monastery hidden away in Brooklyn once abutted the location of a former inebriate's home.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

Gang fights don't just happen on the streets, they happen under them too.

A young woman's senseless murder led to the controversial psychological theory of the "bystander effect."

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

A gigantic 10-foot tall stone man.

Western New York's largest independent bookstore doubles as a historical repository of all things Niagara Falls.

An unassuming nature trail winds through dozens of tiny houses built for the wee people.

Some of the earliest burial grounds of New York State are to be found hidden away in this quaint town.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This 19th century brick building in Brooklyn stands out like the anachronistic landmark that it is.

The mass grave of a heroic Revolutionary War regiment sits below an empty lot near the Gowanus Canal.

Oldest surviving example of a Dutch saltbox frame house in America.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

Secluded amid upstate New York’s Adirondack Mountains lies this subterranean emblem of a nation on the brink of nuclear war. And it's for sale.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

The lost town of Neversink, sunk by New York City.