United States

• Waverly Hills Sanatorium | Louisville, Kentucky
• Queen Mary Hotel | Long Beach, California
• The Whaley House | San Diego, California
• Route 666/191 | Utah

Europe

• The Tower of London | London, England
• The Catacombs | Paris, France
• The Coliseum | Rome, Italy

Lol, I'm usually a wuss when it comes to irl scary places. But watching Supernatural has inspired me to at least make a tentative list of haunted places I could visit. Ah-heh.