"On May 31, 1889, heavy rains and a dam failure sent flood waters sweeping into Johnstown, Pennsylvania. The 50-foot-high wall of water quickly demolished much of the town. Will you and your new husband be able to escape certain doom as you wait for your train to leave the station? Can you climb onto your house's roof for safety before the building completely fills with water? Will you join in the effort to save others who are floating by on the roofs...

"The date is April 27, 1865. You are crammed onboard the steamboat Sultana with more than 2,000 passengers. Many of them are soldiers heading home after the Civil War. You're cruising on the Mississippi River when a massive explosion rips through the ship. Do you dive into the water to save yourself or stay onboard to help the survivors? Will you try to swim for shore or wait for help to arrive? Will you stay with your sick friend or try to find someone...

"On March 18, 1925, the deadliest tornado in history tore a path of destruction more than 200 miles long across Missouri, Illinois, and Indiana. The giant tornado demolished several towns and killed hundreds of people. Will you take shelter in your basement or try to outrun the tornado in your new Model T car? Do you stay inside your school or risk running to your church to take shelter there? Will you ignore the storm like your father says or get...