A bomb, murder, and a foiled multi-million insurance scam on the high seas: the Lucona sank in the Indian Ocean on January 23, 1977, by a bomb planted by Austrian businessman Udo Proksch as part of a $20 million insurance fraud.

Unearthed dinosaur bones, shipwrecks, and other archeology reveal secrets of world history, like finding the Japanese midget submarine sunk by the USS Ward off Pearl Harbor during World War II; discovering the homes of Tejanos at the Alamo from before the Battle and the original defensive walls were adobe, not stone; and realizing tyrannosaurs may have been smart pack hunters based on an extensive fossil bed at Grand Staircase-Escalante National Monument in Utah.