Thousands of years of crashing waves gave this mushroom-shaped rock its svelte figure.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This modest marker near Notre Dame identifies the very center of Paris.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

A preserved college lock-up that recalls a clubhouse approach to discipline.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The world's first aircraft factory has been hiding inside an automobile plant for almost 80 years.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

A real flying saucer, contracted by the U.S. Air Force.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

This limestone outcropping was once a ceremonial site for ancient Native Americans.

Elvis's own personal tropical hideaway.