Looking for a great theme for an adventuresome friends Birthday Celebration in 2021? Consider recelebrating their 21st birthday!!! Enjoy the opportunity to relive those moments that you and/or your friends really enjoyed and to do activities you wish you had, but did not. If your friend is really adventuresome, you decide whether to make the celebration theme a complete surprise (birthday blindfold and all), somewhat of a surprise or let your friend join in planning all the fun. Of course, you’ll want a great photo album. Consider printing your favorite sign from the pages which follow in this album for your friend to hold as you take photos for the album cover.