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 #1 Eiffel Tower (France): Location: Paris  Significance: The Eiffel Tower is an incredible structure constructed by Gustave Eiffel for the 1889 World’s Fair and is 324 meters tall.  It provides a vantage point to view the city of Paris, besides, it represents French technology and artistry.  Highlights: Three observation decks, one Michelin star restaurant, and nightly lighting up of the building.  #2 Colosseum (Italy): Location: Rome  Significance: This was a large structure for spectacles built in 80 AD and was used for staging of gladiatorial combat and other events.  An amazing work of Roman engineering and has a status of a World Heritage site.  Highlights: The underground hypogeum for gladiators and animals and the large area of the arena ruins.  #3 Acropolis (Greece): Location: Athens  Significance: Acropolis is a fortress that was constructed in the 5th century BC, it is considered to be the pinnacle of the ancient Greek architecture.  The most prominent building is the Parthe