Historical Markers - USA is a free iPhone app developed by William Warren. As the name suggests, this app allows users to explore and discover historical markers, museums, extraterrestrial sites, and paranormal locations throughout North America. Whether you're a history enthusiast or simply curious about the landmarks in your area, this app provides a convenient way to find and learn about these fascinating sites.

One of the standout features of Historical Markers - USA is the ability for users to contribute to the app's database. If you come across a location that is not currently listed, you can upload it and receive credit for your contribution. This ensures that the app's database remains comprehensive and up to date.

In addition to discovering historical markers, users can also choose a specific location and get instant directions. This feature is particularly useful for planning trips and exploring new areas. However, it's important to note that the developer, William Warren, is not responsible for any personal or property damages that may occur while using the app. Users are advised to remain aware of their surroundings when using the app and its data.

Overall, Historical Markers - USA is a valuable tool for anyone interested in exploring the historical landmarks of North America. With its extensive database, user contributions, and convenient navigation features, this app is a must-have for history buffs and curious adventurers alike.