Historians, biographers, and researchers explore, defend, and debunk the conspiracies surrounding John Wilkes Booth's assassination of President Lincoln in 1865.
On April 4, 1968, a sniper gunned down civil rights leader, Martin Luther King Jr., in Memphis, Tennessee. Charges of cover-ups and government complicity arose almost immediately—suspicions that haven't waned with time.
A mysterious, stark terrain, 90 miles north of Las Vegas, goes by many names: The Box, Paradise Ranch, Groom Lake, Watertown Strip, and Dreamland. But most refer to the region as Area 51.