Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

The home of the first American-born saint is one of the only curved buildings in New York.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Unrepaired walls from a 1920 anarchist bomb attack.

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

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A unique marker erected during the 18th century.

The land is home to swimming ponies and a legendary 18th-century treasure.

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

Site of the first pathological and bacteriological research facility in the United States.

An unusual and eclectic collection of local historical memorabilia.

These ruins of an octagonal stone school that was later used as an A.U.M.P. church exemplify a popular school design from the 1830s.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

Pennsylvanian mass grave and possibly mass murder.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.