Site of the first pathological and bacteriological research facility in the United States.

This tiny store is your one-stop shop for all sorts of rare and wonderful buttons.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

Serving Central Asian breads that range from cracker-crisp to warm and fluffy, this bakery brings Bukhara to Queens.

These small stands sell Malian snacks to worshippers and passersby after Friday prayers in Harlem.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

Man-made geyser that rises to the exact height of the Gateway Arch.

A sculptural commentary on capitalism pokes up from the East River.