An American ghost town hides along a side street in Scotland's capital.

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

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.