Uncovering America’s Underwater City

Diving beneath the lake’s surface with Global SubDive and scanning expert Todd (GeoHydros) reveals an entire hidden world you’d never guess is right under our noses. This fun, “embrace failure”–friendly adventure is powered by CrunchLabs—grab two free STEM activity boxes (Build Box for kids, Hack Pack for teens/adults) and see what’s lurking below!

Big thanks to California State Parks, plus a shout-out to Ponder, Laura Shigihara, Andrew Applepie, Blue Wednesday and Danijel Zambo for the tunes. Keep an eye out for AI-enhanced graphics (they’re labeled), and enter the Platinum Ticket Instant Win Game (no purchase needed, ends 5/31/26) for your chance at extra prizes.

Watch on YouTube