Forget hum-drum climbing walls and get to grips with the Alice in Wonderland Climbing Wall. Based in Tokyo and designed by Japanese firm Nendo, the wall is decorated with whimsical yet tricky objects that are bound to drive you mad as a hatter. Just be careful you don't tumble down! For more information, visit www.nendo.jp

Bored of surfing at the beach? Then why not take a ride along the Severn Bore. Surfing the bore has become a competitive sport and the large surge wave, the second highest in the world (which can reach up to approximately 15 metres), attracts canoeists and windsurfers too. For information on how and where to surf the Severn bore, visit www.severnboresurfing.co.uk

Ah polo, the sport of kings... and elephants. Played in Nepal, Sri Lanka, India and Thailand, Elephant Polo is an exotic variant of the traditional game. All the standard rules apply, except the pitch is 3/4 the size of a regular polo pitch due to the slow speed of the elephants, and mallets are 6-10 foot cane sticks! To find out more, visit www.elephantpolo.com

If you'd like to plunge into a murky abyss - and why wouldn't you - then your best bet is to take a dip at Bone Terre lead Mine in Missisipi (pictured), a popular spot for those with a penchant for dark depths and submerged objects. To find out more, visit www.2dive.com and for information on diving classes go to www.westenddiving.com

Swimming through sludge may not appeal to the majority of us, but in mid-Wales the activity seems to be all the rage. Each year The World Bog Snorkelling Championship takes place on August Bank Holiday at the dense Waen Rhydd peat bog near Llanwrtyd Wells. Talk about a bog-standard activity! To find out how you can enter, visit www.green-events.co.uk

Bossaball combines elements of volleyball, football and caopeira (a Brazilian martial art). A trampoline is embedded into the court to allow super ball spikes, so eat your lunch well in advance. To find out more, visit www.bossaballsports.com

Picture this: instead of skiis, you're given a set of wheels. You're then expected to steer said pair of wheels down a steep, snowy incline. Yes it may sound truly bonkers, but snowbiking is bound to give you an adrenaline rush! Places with optimum snowbiking conditions include Canada, Alaska, Norway, Finland and Scotland (this picture was taken at Innerleithen in the Scottish Borders).

A regular feature at the "Cotswold Olimpicks", shin-kicking, as the name may suggest, is a sport where contenstants hold each other by the shoulders, try to kick eachothers' shins and bring eachother to the ground. Each to their own... To find out more, visit www.olimpickgames.co.uk

Zorbing, otherwise known as rolling around in an orb made made of transparent plastic, was invented in New Zealand in 1994. Zorbing usually takes place on a gentle slope and there are two types of orbs, harnessed and non-harnessed - the latter carry up to three riders, whereas the harnessed orbs are constructed for one to two riders. To find out more about Zorbing in the UK, visit www.zorbing.co.uk

Formerly a method of transportation in the Alps, skibobbing has now become a popular competitive sport due to the high speeds that can be attained (up to 120mph). To find out more about skibobbing in the UK, visit www.hants.gov.uk (Calshot Activities Centre).