Pioneers of Easter Island
Most scholars agree the first Easter Islanders were Polynesian, but how to explain the sweet potato and Inca-like walls?
The Sacrificial Ceremony
Disturbing archeological discoveries are shedding light on the Inca ritual of human sacrifice known as Capacocha.
The Lost Inca Empire
Get an overview of the rise and fall of the largest empire to ever rule South America.
Ice Mummies of the Inca
High-altitude archeologists have discovered children sacrificed to the Inca's mountain gods.
What is a mummy? Get a primer on mummies worldwide—from ancient Egypt to the Incan Andes to the peat bogs of Europe.
Polynesia's Genius Navigators
How did the ancient sailors of the South Pacific find their way to Easter Island and other distant specks of land?
A Short History of Ballooning
Follow a chronology of manned flight, from the very first flight in 1783 to the first solo Pacific crossing in 1995.