Turning 30 is a big deal that calls for a particular 30th birthday idea and activities to celebrate it. Wow! You just turned 30, a vital milestone in anyone’s life. A lot has appeared in the least three decades of your life. Some were interesting and great, while others were frustrating, and you wish to erase if you could. At Cosmea Gardens, we present turning 30 bday ideas to celebrate your 30th birthday.