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

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

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

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

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

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

This record-setting hydraulic dam in the Montana badlands was one of FDR's most ambitious public works.

The formidable fowl can be found standing near an isolated hiking path.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

The sculpture's largest spire points directly toward the North Star.

This super-sized statue is the only public memorial to the deal that ended America's neutrality during World War II.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

A trading post in the North Pole where children send letters.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

An unusual manor of stunning beauty, born out of a crippling disease.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

His discovery kicked off the Gold Rush. One of the hands on this commemorative statue points to the spot where he found the precious metal.

One of Ireland's most infamous prisons for rebels including men, women and children.

A particularly disconcerting tribute to Irish martyrs.

These barriers stand as stark reminders of Northern Ireland's troubled past.