Acropolis (Greece)
Amsterdam's Canals (Netherlands)
Angkor Wat (Cambodia)
Appian Way (Italy)
Astrodome (U.S.A.)
Burma Road (Myanmar)
Chichen Itza (Mexico)
City of Zimbabwe (Zimbabwe)
CN Tower (Canada)
Colosseum (Italy)
Crystal Palace (United Kingdom)
Dome of the Rock (Israel)
Easter Island Statues (Pacific Ocean)
Eiffel Tower (France)
Empire State Building (U.S.A.)
Forbidden City (China)
Golden Gate Bridge (U.S.A.)
Hadrian's Wall (United Kingdom)
Hagia Sophia (Turkey)
Interstate Highway System (U.S.A.)
Itaipú Dam (Brazil and Paraguay)
Lake Pontchartrain Causeway (U.S.A.)
Leaning Tower of Pisa (Italy)
Machu Picchu (Peru)
Mesa Verde (U.S.A.)
Moscow Metro (Russia)
Nazca Lines (Peru)
North Sea Protection Works (Netherlands)
St. Basil's Cathedral (Russia)
St. Lawrence Seaway (U.S.A. and Canada)
Sistine Chapel (Vatican City)
Statue of Liberty (U.S.A.)
Suez Canal (Egypt)
Taj Mahal (India)
Three Gorges Dam (China)
Trans-Siberian Railroad (Russia)
Versailles (France)
Washington Monument (U.S.A.)
Ziggurat of Ur (Iraq)

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