By scanning the locations at the bottom of the ocean where sunken ships, treasures and even cities lie, the show tries to answer what they look like, how they got there and if they hide any secrets.
一名女子声称在曼哈顿的卧室里被绑架。这部纪录片系列探讨了这是否是一个精心设计的骗局,还是外星生命的证据。