The document provides information on several notable historical sites around the world, including their locations, dates of construction, sizes, functions, and interesting facts. It describes the Colosseum in Rome which hosted gladiator battles, Petra's reservoir system in Jordan, the Taj Mahal in India built as a monument to love, sections of the Great Wall of China, Machu Picchu in Peru which was an Inca city, the ancient Maya city of Tulum in Mexico, and the Christ the Redeemer statue in Rio de Janeiro. Details are given for each site such as their areas, heights, and curiosities like the Taj Mahal being considered the greatest monument to love.