Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Just a man taking his prehistoric pet for a stroll.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

One of the largest public housing complexes in New York once visited by Eleanor Roosevelt.

A 120-year oil leak slowly unleashes more gallons of oil than the Exxon/Mobil disaster.

The rare American Civil War-era weapon was never fired in anger.

A modern addition to the Greenpoint skyline.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

During the American Revolution, this mansion hosted failed peace talks between the British and Americans.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Little Red Lighthouse under the George Washington Bridge.

The site of the deadly Triangle Shirtwaist Factory Fire.

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

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

A hidden "place of interment for gentlemen."

“Invented in Key West, Perfected in Brooklyn."