Camp Century, also known as the “city under the ice,” is a relic of the Cold War. The U.S. Army Corps of Engineers built the military base in 1959 by cutting a network of tunnels within the ...

Aerial view of the excavated theater in Lefkada. Photo: Ministry of Culture, Greece. Ancient Lefkada was settled sometime before the 7th century B.C.E. by seafaring Corinthians.