This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

Indents in the pavement are all that remain from a grisly death machine in Paris.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

One of America's first spies started out as a teacher in this little red one-room schoolhouse.

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

A tiny memorial for the year the Connecticut River almost destroyed New England.

Memorial to one of the most fatal fires in both circus and U.S. history.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

This small-town pizzeria won the Hollywood lottery.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

A 400-square foot model of historic Quebec is the playing field for a state of the art light and sound show.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

A bronze ballot box stands at the spot where Susan B. Anthony voted illegally.

The Fox Sisters, America's leading mediums in the mid-19th century, possessed a table they claimed helped them "communicate" with the dead.