think tank noun
: an institute, corporation, or group organized to study a particular subject (such as a policy issue or a scientific problem) and provide information, ideas, and advice
(citation: Merriam Webster)
Please use this small selection of think tanks to help give you ideas on potential internship or fellowships sites that might help you round out your experiences and give you the experience that graduate school admissions committees love to see.
Use this list for IDEAS but please know that by no means is this list exhaustive! For a more in-depth list of think tanks, check out the one from Wikipedia which includes international organizations! ENJOY!