Estonia
Estonia's largest island
Saaremaa
Longest river in Europe
Volga
Organelles that produce energy in the cell
Mitochondria
Host city of the first modern Olympic Games (1896)
Athens
Capital of the United States
Washington D.C.
Viljandi
Mountain range dividing Europe and Asia
Ural Mountains
Green pigment in plants
Chlorophyll
Estonia Olympic gold medallist in decathlon
Erki Nool
Largest U.S. state by area
Alaska
The river on which the Narva hydroelectric station is located
Narva river
Country where the Atacama Desert is located
Chile
Gas humans inhale
Oxygen
The world's most famous cycling race
Tour de France
First president of the United States
George Washington
Estonia's first national park
Lahemaa National Park
Highest large lake on a continent
Lake Titicaca (South America)
Organ that pups blood
The heart
Sport using the terms bogey, par and birbie
Golf
River that carved the Grand Canyon
Colorado River
Author of the novel "Truth and Justice"
A. H. Tammsaare
World largest river delta
Ganges-Brahmaputra Delta
Molecule that carries genetic information
DNA
American pro league including the Bruins and Blackhawks
NHL (ice hockey)
Location of Silicon Valley
California (San Francisco Bay Area)