Edinburgh Castle sits on Castle Rock, a volcanic plug formed 340 million years ago and shaped by glaciers during the last Ice Age. The castle has been a royal residence, a military garrison, a prison, and the home of Scotland's most treasured national symbols. No visit to Scotland is complete without it.

💎 The Scottish Crown Jewels (The Honours of Scotland)

The oldest surviving crown jewels in the British Isles — the crown, sceptre, and sword of state date from the 15th and 16th centuries. Displayed alongside the Stone of Destiny, the coronation stone used for Scottish kings for centuries and returned from Westminster in 1996. The queue to see these is always long — go first thing in the morning.

💥 Mons Meg

One of the largest medieval cannons ever built, Mons Meg was forged in 1449 and gifted to King James II of Scotland. It could fire a 150kg stone cannonball over two miles. It last fired in 1681 — and the barrel burst. It now sits on the castle's upper level, still impressively enormous after 575 years.

💣 The One O'Clock Gun

Every day at 1pm (except Sundays, Good Friday, and Christmas Day), a 105mm field gun is fired from the castle's Mills Mount Battery. The tradition began in 1861 as a time signal for ships in the Firth of Forth. Today it still startles tourists unfailingly — plan to watch it if you're there at lunchtime.

⛪ St Margaret's Chapel

The oldest surviving building in Edinburgh, dating from around 1130. Built by King David I in memory of his mother, Queen Margaret (later canonised as a saint), this tiny Romanesque chapel holds just 20 people. It is still used for weddings and baptisms today — a remarkable 900-year continuity.

🏏 The Great Hall & National War Museum

The Great Hall, built for James IV around 1511, features the finest medieval hammer-beam roof in Scotland. The National War Museum of Scotland chronicles 400 years of Scottish military history through weapons, uniforms, medals, and personal stories — one of the best free attractions within the castle complex.