Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

An Irish Memorial commemorating those who perished due to potato blight.

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

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

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

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

This elaborate towering structure was once famed for its revolutionary height.

Dr Barnes' $25 billion private collection of art and arboretum.

The first American department store, and home to the largest operating musical instrument in the world.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A rare view of a preserved Victorian science museum.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The second oldest continuously operating bar in Louisiana.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

The curiosities and wonders of pharmacy in a delightful historic building.

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

The beautiful, fruit-covered facade hints at this building's former life.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

The only rotating bar in New Orleans has been slowly spinning since 1949.