"The Nature of Diamonds," opening tomorrow at the museum and running through April 26, is a dazzling feast for the eye that displays ages of lore, science, industry, adornment and literature about these most precious of precious stones, and does so with great depth and intelligence.

Italy is a dazzling, mesmerising feast of a country.

This article has been specially produced by Lonely Planet for Trafalgar Tours.Italy is a dazzling, mesmerising feast of a country....

There's also a birthday feast for Turner himself later in the month, with the organisers promising a dazzling visual feast with jellies and cakes for visitors to draw, paint and even eat.

Despite the dazzling visual feast and Hockney's enthusiastic pursuit, there is actually no point in "Secret Knowledge" where an appeal to optical aids, to explain either large developments or local oddities, seems both necessary and persuasive.

While "Manon Lescaut" was a dazzling visual feast, for example, the other opera, Purcell's "Dido and Aeneas," was spare and minimalist.