Since the time of the ancient Egyptians thousands of years ago, there have been many secrets that we today are just beginning to learn about, or that we still don’t have answers for. The secrets of the Great Pyramids, famous shipwrecks, the lost city of Babylon, hidden treasures of the Incas, lost jewels, the secrets of the Vatican, and many more mysteries of our history continue to fascinate people from around the world.

Abandoned hotels range from decrepit to like-new and exist everywhere from remote parts of the globe to modern urban cities. Following are some of the most interesting of those spots that serve as reminders that even the best laid plans don’t always work out over time.