Until the 18th century, Glasgow was a small market town clustered around its cathedral. You can still trace that older settlement: the High Street runs a mile east of the present centre, a thin reminder of where the original city stood. The transformation came with the 1707 Act of Union, which threw open the markets of England's overseas colonies to Scottish traders. Glasgow merchants got rich on tobacco, sugar, and the cotton trade - a wealth built, it must be said honestly, on the labour of enslaved people across the Atlantic. The shallow Clyde meant the real ports grew up 25 miles downstream at Greenock, while ramshackle Clyde Puffers and small Cluthas worked the city river. Then in the 1880s engineers blasted a deep channel through the Clyde, and the shipyards moved upstream to Govan. For about a century, Glasgow built more than half of Britain's tonnage and a quarter of the world's locomotives.

What you see today is largely the work of two periods: the Victorian boom that filled the West End with Italianate mansions and built the elegant grid west of George Square, and the regeneration that began in the 1990s. For much of the 20th century, Glasgow's red and blond sandstone tenements stood under a black skin of industrial soot. The 1956 Clean Air Act started the change, and the years since have scrubbed the buildings back to something close to their original colour. Walk along Buchanan Street, Sauchiehall Street, or up the side streets onto Blythswood Hill, and you are walking through a Victorian city that has finally remembered what it looked like.

Glasgow does not sprawl into anonymity. It has distinct districts with distinct personalities. The City Centre is the grid of pedestrianised streets bounded by the M8 and the Clyde, a confident commercial heart marketed in tourist material as Merchant City. The East End holds the medieval bones - Glasgow Cathedral, Provand's Lordship, the Necropolis on its hill above the cathedral - along with the Barras market and Celtic Park. The West End is the prosperous, bohemian quarter strung along Byres Road, with the University of Glasgow's gothic spire visible from miles around, the Kelvingrove Art Gallery, the Hunterian, and the Botanic Gardens lining the River Kelvin. South of the Clyde lie the football grounds, Bellahouston Park, and the regenerated waterfront where the Armadillo and the Riverside Museum mark the old shipbuilding shore.

Glaswegian English carries a sing-song pattern that some linguists trace to the Gaelic-speaking Highlanders who poured into the city during the clearances. Glasgow now has the largest concentration of Gaelic speakers of any Scottish city, and the language is appearing on more signage. Whether a Glaswegian is hard to follow depends largely on whether they want you to understand them. Music runs through everything: Celtic Connections fills January, Trnsmt rocks Glasgow Green in July, and the World Pipe Band Championships rattle the air in August. The football rivalry between Celtic - traditionally Catholic, in green and white hoops - and Rangers, traditionally Protestant, in blue, structures the social geography in ways visitors learn to navigate. Many bars ban football colours of any kind, including, somewhat absurdly, those of Grimsby Town.

Glasgow's Subway is the third oldest in the world, after London and Budapest, and it loops the city centre, West End, and inner suburbs in a 24-minute orbit. Its 4-foot gauge means the trains are charmingly small. New Stadler trains replaced the aging rolling stock in the 2020s, but the 1896 tunnel diameter still limits height and width. Never call it the clockwork orange - that nickname was invented for tourists. On foot, the city centre and East End reward walking, though the M8 cuts an ugly trench through the north and west. The Forth and Clyde Canal, completed in 1790, can still be walked or paddled from city centre all the way to Edinburgh, with the ingenious Falkirk Wheel rotating boats between elevations halfway along.

Glasgow hosted the 2014 Commonwealth Games and returns to host the pared-back 2026 edition. It hosted COP26 in 2021, the first European Capital of Culture title in 1990, and the UK City of Architecture honour in 1999. The city votes left, voted Yes to Scottish independence in 2014, and Remain in the Brexit referendum. The famous slogan, abbreviated from Saint Mungo's reputed sermon, remains carved into civic memory: "Let Glasgow Flourish." Most of the time, against the odds, it does.