Brings to light 12 deserted cities and places such as the ancient city of Angkor Wat which was hidden deep in the Cambodian jungle for centuries; Hashima Island off the coast of Nagasaki, Japan that was once mined for its rich coal reserves abandoned in the 1970's; Machu Picchu that was built more than 2,400 meters above sea level in Peru; and more. The book features historic photos, interesting sidebars, and thought-provoking prompts.