1Zombietown USA
Satellite images capture evidence of an abandoned town hidden in the American wilderness, and as experts analyze this new evidence, they reveal what this strange place has to do with a top-secret military plan to battle an army of the undead.
2Nazi Crop Circles
Crop circles spotted on an island in the Mediterranean might not be from aliens, but from a threat closer to home: Nazis; new discoveries help experts uncover who made them and for what sinister purpose.
3Island of the Alien Ooze
Satellite images capture a volcanic island that suddenly appears in the Pacific Ocean, and when NASA scientists arrive to investigate, they are baffled to find it's home to a primordial slime and zombie creatures with origins in outer space.
4Chinese Nuclear Pyramid
Experts suspect a lost pyramid in China could be a secret military base.
5Americas' Lost Romans
The remains of an abandoned settlement high in the mountains of Peru could be an ancient Roman village, leaving experts to speculate if the Romans visited the Americas centuries before Columbus; if so, it could point to long-lost gold.
6The Damned of Devil's Island
The remains of an abandoned settlement high in the mountains of Peru could be an ancient Roman village, leaving experts to speculate if the Romans visited the Americas centuries before Columbus; if so, it could point to long-lost gold.
7Nazi Occult Temple
Satellites capture a temple-like, Nazi structure hidden deep in the forests of Poland, leading an expert to investigate and uncover a tale of terrifying rituals, black magic and the rise of the most feared division of Hitler's war machine.
8Enigmas of Area 51
Satellites capture two strange patterns in the desert next to Area 51.
9Curse of King Arthur
When satellites spot a strange, 2,000-year-old structure in Wales, some suspect a secret connection to King Arthur; using modern-day technology and ancient texts, experts investigate new leads that could point to the mythical Round Table.