Saint Borromeo often prayed in this austere crypt during the 16th century.

A 18th century graveyard and its astonishing cortege of macabre iconography.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

This 19th-century prison once held Irish revolutionary Constance Markievicz, writer Frank O’Connor, and a nine-year-old pickpocket.

From grand battles to daily life, this Spanish museum offers a view of world history in miniature.

The largest collection of historic military firearms in the United States.

Dating back to the 500s, these stones include some of the oldest Christian memorials in Scotland.

Dine like an American revolutionary at Colonial Williamsburg.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

Just off the city’s central station hides a quaint lamp-lit alley into medieval Elsinore.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

One of the world's largest collections of medieval religious art.

This extensive collection covers thousands of years of Polish military history.

A modest statue dedicated to Pierre Bayle, a young military drummer who willingly fought and died for his beloved France.

Old Danish castle immortalized in Shakespeare's Hamlet.

This scenic spot is known as the birthplace of Switzerland.

The hallowed ground of one of the worst atrocities in United States history.

It's believed Matilda Fitzwalter's life was the basis for the famed literary figure.

The water in this preserved area spawns vegetation that gives it a deep green color.

The site of the one and only battle of Lord Dunmore's War.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.