One of the most accessible undersea plane wrecks in the world.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

If New Orleans is the birthplace of the "cocktail," why does their own museum of cocktail memorabilia beg to differ?

A mysterious find dredged from Louisiana waters.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

A ruined hotel with an unlucky history and an eerie present.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

A historic grist mill and active sluice on the Black River.

Final resting place of two dozen New York City harbor ships.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

A crumbling hospital from the 1850s on Roosevelt Island.

A celebration of capitalism in Midtown.

Haven for steampunks.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Ride the subways of yesteryear.

A dilapidated dock tells the story of Titanic's missed arrival.

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

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