Edinburgh's Old Town is a labyrinth of cobbled streets, narrow alleyways and hidden courtyards, all amazingly well preserved and steeped in the city's history. At its centre is the Royal Mile, a remarkable street of Reformation-era tenement buildings leading from the seat of Edinburgh Castle on Castle Rock down to the grandiose Palace of Holyroodhouse.
Look out for St Giles' Cathedral, the National Museum of Scotland and Edinburgh's vaults.
Inspired by the lofty ideals of the Scottish Enlightenment, the neat and ordered grid of the New Town has broad streets with spectacular neoclassical and Georgian architecture, many perfectly preserved since their construction in the 18th and 19th centuries.
You'll catch a glimpse of how the city's upper classes lived in the 18th century on a trip to the exquisite Georgian House in Charlotte Square, normally open from March to November. The refurbished Scottish National Portrait Gallery, just a short walk away on Queen Street, houses a magnificent collection of paintings and photographs of Scotland's most iconic figures, from Mary Queen of Scots to Sean Connery and beyond.
Look out for the upmarket George Street which is filled with sophisticated designer shops and chic bars and restaurants, while neighbouring Dundas Street is home to galleries, antique shops and independent boutiques.