Take a look through the images below and see how many of them you can name. Scroll to the bottom of the page to see the answers
All images CC0 from free-images.com
The answers below match the images moving left to right, row by row:
Angkor Wat - Roman Coliseum - Pyramid of Giza - Machu Picchu - Great Wall of China
Victoria Falls - Aurora Borealis - Petra - Grand Canyon - Library of Celsus
Acropolis - Taj Mahal - Chichen Itza - Moai Statues - Great Barrier Reef