Are you headed to Washington DC? Would you like to slip in some fun amidst the history and education? Support Beacon by bidding on this fun item and head to Madame Tussaud's. This is a pass for 2. Millions and millions of people have flocked through the doors of Madame Tussauds since they first opened over 200 years ago and it remains just as popular as it ever was. There are many reasons for this enduring success, but at the heart of it all is good, old-fashioned curiosity.