A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

The smallest post office in the United States is no bigger than a broom closet.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

A full-scale replica of a 1774 colonial settlement in Kentucky.

Three courses accompanied by Christian rock.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

If astronomy had a ghost, it would look like this observatory.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

The Pentagon sits on a former island that was in Virginia at low tide and D.C. at high tide.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

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

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

This statue of the "father of television" stands prominently in the United States Capitol.

Tucked away on a scenic trail, a modest memorial honors one of the greatest writers of our time.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The first piece of public art dedicated to LGBT rights.