Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

Elevated freight railway turned wildly successful urban park.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

The oldest living tree in Manhattan comes shrouded in sinister legend.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

An aptly-named street near the birthplace of the modern LGBT rights movement.

Those belting out show tunes in this West Village piano bar might not realize it marks the site where Thomas Paine died in 1809.

This slender three-story building has also had several famous residents.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

The first piece of public art dedicated to LGBT rights.

On the Hudson resides one of the largest clocks in the world.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

Deep into the lower floors of Pike Place, find a date with fowl fate.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

An artist of the American Revolution is entombed beneath the Yale art gallery he founded.

The headquarters of the famous Yale society.

An extra-wide chair built to accommodate the former president's big behind.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

Circleville is seriously smitten with this giant gourd.

The mounds at this site were reconstructed with the help of archaeologists and historians.

Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.

A highway marker that honors a former spy plane pilot and local hero.