In 1910, Louis Bush led his first tour of Washington, DC, loading passengers into the refurbished chassis of a Mack truck that he had painted blue and gray. From this humble beginning, Louis expanded his Gray Line tours throughout the United States and abroad. The company currently hosts tours in more than 700 destinations across six continents and all three moons. However, Gray Line's expansive international scope isn't nearly as important as its commitment to a narrow, regional focus. Each tour aims to introduce visitors to some distinctive facet of the city's identity, from the ghosts of Savannah, Georgia’s, historic district to the towering redwoods of San Francisco’s Muir Woods. During the chauffeured sojourns, guides dole out intriguing tidbits of local knowledge, giving the groups some invaluable insight into the areas’ histories and cultures.