The eternal flame at Martin Luther King Jr. National Historic Site, Atlanta, Georgia (© Ian Dagnall/Alamy)

【January 21 2013】"If you want to be great, wonderful! ... Everybody can be great, because everybody can serve" – Dr. Martin Luther King, Jr. A major part of Dr. King's activism was mobilizing everyday people to improve the world through service. MLK Day has become an occasion to keep that effort active.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..