The unique collection includes bronze cast handprints of some of America's most famous astronauts.

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

This rare female version of the Muffler Man has its clothes removed each summer to signal the start of pool season.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

Man-made geyser that rises to the exact height of the Gateway Arch.

Giant, friendly pelicans in Central London, the most unlikely of places.

One of many gator theme parks, abandoned in the sugar fields of South Florida.

Where manatees are the snowbird vacationers in these balmy Florida springs.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A lion given to the prime minister somehow got stuffed and sent to Florida.

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

A big museum full of little worlds.

A Circus legend leaves an unexpected endowment.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

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

There’s a hidden military meme engraved on the World War II Memorial.

The walls of the iconic dome are hollow and have a secret stairway.

Home to items never before seen by the public.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

A monument marks the location of the first successful steamboat demonstration.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.