Sports history, made in the Arroyo Seco.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

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

The seat of Buffalo government is a gorgeous Art Deco palace.

The most confusing clock in New York.

Created by four famous men, the beautifully designed Buffalo State Asylum was resurrected as a hotel and art center, but still boasts a ghost story or two.

The notorious headquarters of a corrupt political machine.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

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

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Ever wanted the laymen's version of your credit card fine print?

The home, museum, and death site of Kodak's influential founder.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Toxic waste disaster that founded the Superfund program.

Unrepaired walls from a 1920 anarchist bomb attack.

Ruins of a once-prized railroad station in New York.

Sniff the Titan Arum's rotting flesh.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.