Dive into a comprehensive tutorial on creating an interactive 3D terrain using Three.js displacement and alpha maps. Learn to install the Three.js starter, add plane geometry, work with plane materials, implement mouse interactivity, and design a user interface with HTML/CSS. Follow along step-by-step to master the basics of Three.js and create stunning 3D landscapes. Gain valuable insights into frontend development and UI/UX design throughout this hands-on video lesson.