This old-fashioned carhop restaurant gave the world the waffle cone.

Rowdy rebels fortified this home during the first popular uprising in United States history.

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

This beautiful vintage movie palace has seen little change in form or function since the 1920s.

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.

A genuine Tudor manor transported piece by piece from England.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

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.

A Manhattan office building is home to the world's largest chess board.

An annual extravaganza of Broadway theater memorabilia.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

At 207 feet, one of the world's longest continuous escalators.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.

The only Frank Lloyd Wright-designed structure in the architect's hometown.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

A small Richmond island dotted with the remnants of hundreds of years of history.

A massive Montreal stadium that has seen nothing but trouble since its inception.