Celebrating the greatest pugilists the world has ever known.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

Adherence to strict Jewish laws is required to enter this ultra-conservative New York village.

100 massive sculptures in the Hudson River Valley.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

This sprawling woodland estate was the brainchild of iconic American industrial designer Russel Wright.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

FDR's Art Deco hospital tower was hopelessly inefficient.

The wooded estate of the Forest Service employee responsible for D.C.’s cherry blossom trees.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

A former major munitions plant that has been converted into a sprawling art space.

Home with Gothic windows featured in a famous painting.

An unassuming secret door once led to a legendary watering hole.

There must be a pun in this haystack somewhere...

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

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

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

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.