Develop a full-stack map pinning travel application using React.js, Node.js, Mapbox, Express, and MongoDB. Learn how to create a Google Maps-like app where users can pin locations and share reviews. Master React hooks, build a Node.js REST API, implement user authentication, integrate Mapbox for interactive mapping, and use Axios for data fetching. Create markers and popups, handle user registration and login, and manage user sessions with local storage. By the end of this comprehensive tutorial, you'll have built a functional MERN stack application with location-based features.