This interactive visualization demonstrates smooth transitions between dozens of map projections using two dropdown menus and a slider. Built with D3 v4 and d3-geo-projection, it displays world countries as SVG paths and allows users to morph between any two projections by adjusting a slider, with the transition interpolating projection parameters in real time. The map can also be rotated by clicking and dragging. The visualization includes a graticule overlay and uses a dark land fill with white boundaries, set against a light background. Users select a starting and ending projection from dropdown menus, then use the slider to manually control the morphing animation, with drag-to-rotate adding an interactive 3D feel to the orthographic and other projections.