The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

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

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

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

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

The second oldest continuously operating bar in Louisiana.

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

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

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

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

The world's only surviving heavy cruiser has a haunting history.

A small obelisk commemorates the launch site of the world's first liquid-fueled rocket.

Once the largest gravity dam in the world.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

The only surviving building of historic West Boylston, which was flooded to create the Wachusett Reservoir.

A grave surprise in the downtown area of New England's second-largest city.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.