 He studied and excavated Native American sites in the Southeastern United States.The son of writer Clara Jessup Moore, and businessman Bloomfield Haines Moore (1819–1878), he earned a bachelor of arts degree at Harvard University in 1873.He traveled in nearly every part of Europe, Asia Minor, and Egypt; he crossed the Andes and went down the Amazon River in 1876, and made a trip around the world in 1878–79, before returning home when his father died in 1878.