Blame the weather: it works every time. In 1858, the long hot summer thwarted the building of an 11-mile glass-covered network of roads and railways that would have linked all existing London stations, crossed the river in three places and, it was believed by its architect Joseph Paxton, relieved the congestion that was making crossing the capital an anxious business.

Richard Rogers is addicted to colour. His wardrobe dazzles, and this biographical anthology opens with a selection of Rogers’ aphorisms and statements in bold black on a wall painted a coruscating knock-out fuschia. And then there are the buildings. Rogers, 80 this month, is now a world-famous multi-honoured “starchitect”. He has successfully practised for over 50 years. He is a leader in collaborative high-tech designs, some of them painfully expensive and difficult to maintain, and simultaneously a passionate ecologist. 

Late on a spring Friday evening, İstiklal Caddesi, the main shopping thoroughfare in Istanbul’s Beyoğlu district, exudes all the delicious traditional Turkish aromas: roasting chestnuts, fierce black coffee, döner grills and simit, İstanbul’s bagel, still selling like hot cakes way after midnight. Most of all, though, milling with the crowd, you are struck by something else, something less familiar these days, in Europe anyway: the smell of money.

He may have been lampooned in his lifetime as the man who kept a pet wasp, but Britain owes much to John Lubbock, the Victorian MP whose legislation gave the country its first bank holiday. His Ancient Monuments bill of 1882 (nicknamed the “monumentally ancient bill" for how long it took to get through Parliament) was even more far-seeing, paving the way for the Heritage movement as we know it.

Timbuktu, the legendary "End of the World", does actually exist, and as everyone now knows, it's in Mali. It has just been thrust into the world’s focus after its recent liberation from the Al Qaeda-linked extremists who have occupied the north of Mali during the last 10 months. 

A friend of mine has an Eames lounge chair that he treats with enormous reverence and claims is the comfiest seat ever made. I simply don’t get it; with its bent plywood shell and black leather upholstery, this 1956 American design classic looks to me dark, clumsy and uninviting – especially when compared with Eileen Gray’s Bibendum chair of some 50 years earlier or the delicate designs produced in the 1920s for the Bauhaus by Le Corbusier, Marcel Breuer and Mies van der Rohe.

You now have two choices when you roll down to the bottom of the Turbine Hall's slope.

The V&A has played a blinder. This extraordinary, exciting and unexpected exhibition provides endless trips down memory lane for many and will be a revelation for others. Ignore the clunky title, moving us from the postwar Olympics of 1948 to Olympic year 2012, and just go.

For a small(ish) city, Belfast punches well above its weight where the arts are concerned. Northern Ireland's capital may have only 270,000 residents (with a further 500,000 in its catchment area), but it has a notable array of large venues serving several art forms in a vibrant cultural scene. The city houses the Grand Opera House and the newly renovated Lyric Theatre, the Odyssey Arena, the Kings Hall, the Ulster Hall and the Waterfront Hall; and now another venue is about to open in the city centre - the MAC, or Metropolitan Arts Centre.