The weekend plan
Day one
Base the day around the Harbourside — the SS Great Britain, Isambard Kingdom Brunel's pioneering iron steamship, is preserved in the same dry dock where it was built, and the surrounding M Shed museum covers the city's own history, shipping wealth included, without glossing over the harder parts of it. Lunch somewhere on the water, then spend the afternoon in Stokes Croft, the neighbourhood most associated with the city's street-art scene — the murals change often enough that no two visits look the same.
Day two
Walk up to Clifton in the morning: the Georgian terraces alone are worth the climb, and the Clifton Suspension Bridge, completed in 1864 to Brunel's design (after his death), spans the Avon Gorge 75 metres above the water — walking across it is free and takes about ten minutes each way. The Clifton Observatory, right at the bridge's edge, has a small camera obscura and one of the best views in the city. Finish back down at the harbour for a last look before heading home.
What to see
Bristol's street-art scene is genuinely still active, not a preserved heritage trail — the city's most famous piece, Banksy's "Well Hung Lover," is on a wall just off Park Street, but the wider Stokes Croft/Nelson Street area is repainted regularly enough that any two visits show different work. Bristol Cathedral, on College Green, is one of the best surviving examples of a "hall church" in Britain, with its nave and aisles built to the same height — unusual for English cathedral architecture.
A slower alternative: the floating harbour ferry
If walking the harbourside feels like enough city for one day, the Bristol Ferry runs small boats along the floating harbour between the main docks — a slower, sit-down way to see the same waterfront from the water instead of the path beside it.
How to pace it
The walk up to Clifton is steeper than it looks on a map — budget real time for it rather than squeezing it in after a full harbourside morning. Splitting the harbour and Clifton across two separate days, rather than trying to do both in one long walk, is the difference between a relaxed weekend and a tired one.