The mansion home of author Edith Wharton.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

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

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

One of the oldest living oak trees in the Southeast.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

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

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

The celebrated eyesore created by starry-eyed sweethearts.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.