Palace of Holyroodhouse

The Palace of Holyroodhouse is the other end of the Royal Mile's argument: where the castle is Scotland's fist, Holyrood is its court — the official residence of the monarch in Scotland, still in working use (the King takes up residence every summer during Holyrood Week, and the palace closes around it), and the stage of the most cinematic episodes in Scottish royal history. It began as an abbey guesthouse in the 12th century, grew into a Renaissance palace under the Stuarts, and keeps its throne room, state apartments and garden parties in full operational order — you are visiting a working palace that happens to admit the public, not a museum wearing a crown.

The magnetic north of the visit is Mary, Queen of Scots. Her apartments in the 16th-century tower survive with their low ceilings and painted friezes, including the supper room where, in 1566, her secretary David Rizzio was dragged from her table and stabbed 56 times by conspirators led by her own husband — the spot is marked, the story loses nothing in four and a half centuries, and the audio guide (included, and among the best in Britain) delivers it with exactly the right chill. The state apartments ascend in grandeur to the Great Gallery, hung with Jacob de Wet's 96 portraits of Scottish kings — most of them invented to flatter a genealogy — where Bonnie Prince Charlie threw his doomed 1745 balls. Outside, Holyrood Abbey's roofless nave is the most Romantic ruin in any British city, Mendelssohn's inspiration for the Scottish Symphony, and the palace gardens open the full theatre of Arthur's Seat behind.

Craft: the included audio guide makes the standard entry excellent value; check closure dates around royal residence (late June–early July especially) before planning; and the Mile's geography does the itinerary for you — castle in the morning, walk down, palace after lunch, then Arthur's Seat or the Scottish Parliament's architecture argument next door depending on remaining legs. The King's Gallery beside the gate rotates exhibitions from the Royal Collection worth the combo ticket when the show is right. An unhurried visit runs ninety minutes to two hours; the abbey at closing time, empty, is the photograph.