An enormous park-like oasis, full of famous Chicagoans' graves.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A small burial plot formerly stranded in the middle of a road.

This zombie-themed restaurant stands out in the heart of corn country.

Millions of dollars worth of sculpture decorate this Iowa city center.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

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

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

A line of blue paint marks the route of the inaugural parade.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

The 28,000-year-old specimen is remarkably intact.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

The first memorial dedicated solely to the Black troops who fought for the Union.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

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

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

The "lovely red Vega" of the legendary record-settling pilot.

Washington's iconic carousel has a nice piece of Civil Rights history.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.