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

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

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

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

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

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 curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

Visit the monolithic tomb of America's most famous general.

Recovered suit of a cannibalistic West African gang.

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

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

One of the indelible moments of the American Revolution took place at this location.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

A centuries-old church stands as a testament to Boston's "father of architecture."

The site of Paul Revere's historic two lantern warning.

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.