Edinburgh packs centuries of history into a compact, walkable core, so a short visit works best when it targets a handful of standouts. Edinburgh Castle crowns the skyline and anchors the Royal Mile, the cobbled spine linking it to St Giles' Cathedral and the tightly wound closes of Old Town. The National Museum of Scotland fills in what a walking tour cannot, tracing the nation's story under one roof, while a climb up Arthur's Seat rewards with sweeping views over the city and the Firth of Forth. Travelers with an extra day can extend the trip to Stirling Castle and the Trossachs for a taste of the wider Scottish landscape.