Alexander Hamilton’s creation caused quite a bit of controversy.

This beloved marketplace mascot poops money and grants good luck.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

This elaborate towering structure was once famed for its revolutionary height.

This New York estate was designed to resemble a medieval Scottish castle.

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."

The floor-to-ceiling collection in an old factory is a unique alternative to stuffy galleries.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

A castle built for love, and abandoned due to heartbreak.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

The absurd creation is a compulsory destination for selfies in Buffalo.

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

An abandoned 1970s theme park that has been turned into a space for waterfront walking.

A former infectious disease laboratory chronicles how tuberculosis shaped a village nestled in the Adirondacks.

Located on the banks of the St. Lawrence River, this mansion is home to a massive art collection.

Called the “General Motors of the piano industry,” these buildings once produced as many as 700 pianos a week.

A towering cemetery monument honors a man who threatened to expose the Freemasons and paid with his life.

The only boathouse Frank Lloyd Wright ever designed was also the only unbuilt structure in his famous Wasmuth Portfolio, until 2007.

The private island of Yale's elite Skull & Bones society is kind of a dump.

An interesting look into 18th-century American history.

Genesis of modern hydroelectric power.

A tree full of wishes and footwear.