This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

A terrific purveyor of natural history objects and curios.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A living archive of urban activism and space reclaimed.

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

The second oldest continuously operating bar in Louisiana.

A snapshot of the city's fascinating voodoo culture.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The final resting place of New Orleans' most famous voodoo priestess.

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

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

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

An emerald-green grotto just a short trip from Austin.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

One part antique store, one part curiosities hodge-podge.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

The 40-foot-tall votive candle is the largest of its kind.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.