The site of one of the largest prison escapes of World War II.

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

The final resting place of one of Hollywood’s most prolific and talented actors is on the grounds of a California Mission.

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

The last resting place of the famous Native American princess is marked by a haunting monument.

The small first-floor apartment where the author wrote her Pulitzer Prize-winning book 'Gone with the Wind.'

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This tiny structure was built by the creator of the Brooklyn Bridge.

A swath of France so devastated by war it is still forbidden to go there.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

What looks like a normal building is really a hollow facade hiding a subway vent.

Lord Byron's embalmed body lies within this medieval church.

A surprising museum of 20th-century technology.

The world's first purpose-built motor racetrack was destroyed by the outbreak of two world wars.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

From the Difference Engine to the Cray-1, all under one roof.

The city of Halifax still bears the scars of the largest explosion prior to the atomic bomb.