100 massive sculptures in the Hudson River Valley.

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

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 bit of retro transportation flair preserved in the world's largest department store.

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

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A crumbling hospital from the 1850s on Roosevelt Island.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A sculpture of a salmon swimming through a brick building.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

The magic's in the hole!

An emporium for the weird, creepy, rare, and just plain gross.

The seamy, underground secrets of Portland's criminal past.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

A daily replay of the experiment that proved the rotation of the Earth.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.