Melbourne, Australia

Melbourne Street Art Tours are run by artists. Discover the city's underground art scene on a tour around hidden lanes and arcades, finishing at Blender Studios, where you can see artists at work and share a beer with them.
• Around £43pp including refreshments for 3.5 hours; +61 393 285556, melbournestreettours.com

Berlin, Germany

In Berlin, go one better with a street art workshop. Not only are you taken on a walking tour of the city, you're also taught how to create your own art, from simple stencils to 3D murals.
• Around £13pp for four hours, +49 162 81 98 264, alternativeberlin.com

São Paulo, Brazil

Last autumn São Paulo's prestigious sculpture museum, MuBE, hosted the city's inaugural Graffiti Fine Art Biennale. The month-long event featured work by 65 Brazilian and international street artists, and will be back, and even bigger, in autumn 2012.
• mube.art.br; more info from graffitifineart.blogspot.com

Stavanger, Norway

Nuart, a contemporary art festival in the city of Stavanger, focuses on street art and the post-graffiti movement (stencils, murals, stickers). Held in September, it is now in its 10th year.
• nuart09.blogspot.com

London, UK

Tate Modern was the first major public museum to display street art in London, back in 2008. These days there are often several urban art exhibitions running in the city.
• Visit streetartlondon.co.uk for event details, plus new art on the streets

Round the World Experts (0800 707 6010, roundtheworldexperts.co.uk) has put together an Urban Art multistop flight package, starting and ending in London and taking in Lisbon, Berlin, Stavanger, São Paulo and Melbourne, from £1,979pp, for travel between 16 April and 20 June.