Here is a list of the places I've been and seen:
Vatican City Sistine Chapel (Vatican Museum) Colosseum Cinque Terre Chichen Itza Tulum Poas National Volcano Park Taj Mahal Elephanta Caves Qutab Minar Agra Fort Humayan's Tomb Mahatma Ghandi's Gravesite French Quarter Niagara Falls Liberty Bell, Philadelphia Independence Hall, Philadelphia Betsy Ross House were on the list at one point, but I have since removed them...!