This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

This controversial reel is an artifact of the largest fish processing plant in the country, and a symbol of Delaware's integration.

Once used as a deterrent to drinking alcohol.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

"No writer ever gave more to a city and got back less.”

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

This old-fashioned confectionary has been family owned and operated for more than a century.

A chance to follow in the footsteps of the word's most legendary animator.

This historic hotel invented the chocolate brownie.

A historic 1929 art-house cinema that features independent, classic, cult, and foreign films in an atmospheric setting.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

A rare cliffside vantage point of Lake Michigan with an explosive history.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A dazzling work by a Pop art legend hangs in one of the world’s busiest subway stations.

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

For more than 75 years, this living piece of history has been serving exceptional soul food.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

The last remaining vestige of a popular 1999 public art display.