1. The Gun Inn Pub in London, England, is said to be haunted by this famous sailor. John Paul Jones Duke of Wellington Napoleon Horatio Nelson

2. Hampton Court Palace in London is said to be haunted by three of Henry VIII's six wives (that's half!). The most active ghost is of this woman, said to be his favorite and the only one to give him a son. Catherine Howard Anne Boleyn Catherine of Aragon Jane Seymour

3. Salzburg Castle, in Salzburg, Austria, is haunted by the spirit of this famous scientist, who died in 1541. Francis Bacon Galileo Galilei Paracelsus Isaac Newton

4. The ghost of this legendary figure is said to haunt a hill near Abergwili, Wales. Robin Hood King Arthur Merlin Sir Lancelot

5. Which Roman emperor's ghost haunts Rome's Santa Mario del Popolo Church? Caligula Augustus Marcus Aurelius Nero

6. The ghost of which monarch haunts Windsor Castle in England? Queen Elizabeth I King Henry VIII Queen Victoria King George II

7. The ghost of which famous individual haunts Versailles Palace in France? Marie Antoinette Robespierre King Louis XIV Napoleon

8. The Kremlin in Moscow is haunted by what Russian ruler? Ivan the Great Peter the Great Catherine the Great Ivan the Terrible

9. The gravesite of this famous gangster in Chicago is said to be haunted by his ghost. Lucky Luciano Baby Face Nelson Al Capone Clyde Barrow

10. This Florida millionaire loved his Palm Beach mansion so much, his ghost is still seen there. Cornelius Vanderbilt Bebe Rebozo Gianni Versace Henry Flagler