Don visits the East Side Gallery in Berlin, Germany, a reminder of the daring escape of two families from Poessneck, East Germany who risked a flight to freedom in a homemade hot air balloon in 1979; uncovers the story behind IMP founder Carl Laemmle's star on the Hollywood Walk of Fame when he started the 1910 publicity stunt of actress Florence Lawrence's "death" to lure her away from Biograph Studios; investigates Hancock Point near Bar Harbor, Maine, once the gateway to Nazi spy Erich Gimpel and defector William Colepaugh's plan to destroy America’s atomic bomb on Manhattan Project sites during World War II; examines the statue of Austrian neurologist Sigmund Freud at Clark University in Worcester, Massachusetts, whose Chow Chow Jofi, helped him hypothesize the psychological benefits of K-9 companions; returns to The Alamo in San Antonio, Texas where in 1908, after ranch heiress Clara Driscoll plan to demolish the Long Barracks, school teacher Adina De Zavala holds her own standoff to preserve the fort’s history; and explores Wall Street in Manhattan's Financial District, once the scene of a political bombing by Italian Anarchist Mario Buda in 1920.