Lie in a hammock where George Washington stood.

Tucked in the back of this amazing antique store is an important piece of medical history.

Phil Mortillaro uses keys to bring art back to the Village.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A terrific purveyor of natural history objects and curios.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

An accidentally hidden library containing the ephemeral history of New York.

This university transit system is a 1970's vision of the future.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The first American department store, and home to the largest operating musical instrument in the world.

More than 5,000 contemporary and "historic" mustards from around the world.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This striking art museum holds an amazing series of curiosity cabinets.

Paranormal activity on the great lakes.

A speakeasy takes on Chicago's drinking culture.

This shop for all your super spy needs hides an educational secret.

A monument to the art of slicing people open.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This historic hotel invented the chocolate brownie.

Once America's tallest structure, now a Baltimore landmark.

A museum dedicated to exhibiting remarkable outsider art.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.

The land is home to swimming ponies and a legendary 18th-century treasure.