

What on Earth?
Lost City of the Kalahari
TV-PG
S2 • E3 Feb 8, 2016 44m6.6
A black blob appears in the sea near the Florida Keys. A possible murder is photographed near Amsterdam. Spiral markings in the desert of southern Africa could point to an ancient city. A huge gravitational anomaly is found in Antarctica. Meteorologists speculate on bright bands near a brief flash of light in unpopulated territory.