Hunting Yellow Pigs

For over half a century, the Hampshire College Summer Studies in Mathematics (HCSSiM), a summer program for high schoolers, has had a tremendous impact on American mathematics and remains a paragon of questing knowledge. It is operated by YP Math Foundation.
Documentary website:   https://www.huntingyellowpigs.com/
YP Math Foundation website:   http://www.ypmathfoundation.org
HCSSiM website:   http://www.hcssim.org