The most thrilling real-life stunts!

Rediff.com brings you images of some men who take on the toughest and craziest challenges to keep the adrenaline pumping!

A reporter leans over the edge of the catwalk during the media preview for the 'EdgeWalk' on the CN Tower in Toronto. Participants are strapped in to a harness that is attached to a guard rail while walking around the catwalk on the structure 356 m (1,168 feet) off the ground. 

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Saimaiti Aishan, a 27-year-old Uighur acrobat of tightrope walking, hangs on a 15-metre-long tightrope connected between two hot air balloons as he fails in an attempt for setting a 100 metre height record in Langshan, Hunan province.

Aishan, the nephew of Adili Wuxor, who is known as 'Prince of the Tightrope', is the first person to perform tightrope walking between two hot air balloons. He set a national tightrope walking record at 30 metres high, but failed in his attempt of 100 metres, local media reported. Picture taken August 6, 2011.  

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Stuntman Gary Connery is seen in the sky wearing a specially developed wingsuit near Henley-on-Thames, west of London May 23, 2012. He had jumped from a helicopter at 2,400 feet and successfully landed without the use of a parachute. 

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Team Breitling wingwalker Charlotte Voce performs, in advance of their appearance at the airshow at the National Museum of Flight at East Fortune, over the Firth of Forth in Scotland on July 22, 2011.  

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Devotees perform a stunt during a rehearsal for the 134th annual Rath Yatra, in Ahmedabad on June 28, 2011. The annual religious procession commemorates a journey by Jagannath, his brother Balabhadra and sister Subhadra, in specially made chariots.  

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French 'Spiderman' Alain Robert climbs the 137-metre high (about 450 feet) Hang Seng Bank headquarters at Hong Kong's financial district on January 26, 2011.   

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French climber Alain Robert, also known as 'Spiderman', scales the 165-metre high (541 feet) Singapore Flyer observation wheel in Singapore on November 5, 2010. 

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A student takes part in a practice session of a stunt performance at Tagou Wushu School in Zhengzhou, Henan province on July 29, 2010.

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A local tourist slides across Managua's Tiscapa Lagoon on June 10, 2010.

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Australian stunt Motocrosser Robbie Maddison, 28,  jumps over the 85-metre (279-feet) wide Corinth Canal at a height of nearly 100 metres (328-feet) in Greece on April 8, 2010.

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A motorcyclist performs a stunt on the wooden walls of the 'Well of Death' at a fair in Delhi.

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A base jumper leaps from a Alpine cliff in the Lauterbrunnen valley in the Bernese Oberland, Switzerland on August 13, 2009. Base jumping is the sport of using a parachute to jump a fixed object, either Building, Antenna, Span or Earth. The Lauterbrunnen valley has been used by base jumpers since 1997. Picture taken on August 13, 2009. 

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Christoffe Jonin of the FF Blue Sky Team jumps out of a helicopter with a parachute, 1,300 meters above Lake Leman (Lake Geneva) and the city of Geneva, on August 9, 2009. 

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A heifer leaps over a pile of runners during festivities in which vaquillas (heifers) are released into the bullring following the running of the bulls at the Plaza de Toros at the San Fermin festival in Pamplona on July 14, 2009.

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A member of the Les Studios de Cirque de Marseille performs 'Race against time' during the festival of White Nights in Burgos, northern Spain on May 30, 2009.  

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Samat Hasan, a 24-year-old stuntman from the Xinjiang Uighur Autonomous Region, walks on a tightrope in Zhangjiajie, Hunan province.

Walking on a 700-metre-long (2,300 feet) rope with a 3.1-centimetre (1.2 inches) diameter and set at a 39-degree gradient, Hasan successfully broke the Guinness World Record for aerial tightrope walking after failing in a previous attempt in October last year, local media reported. 

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A biker performs in front of the Great Giza pyramids during Red Bull Fighters International Freestyle Motocross 2009 Exhibition Tour on the outskirts of Cairo on April 10, 2009.

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A tourist dives in a cage partially immersed in a crocodile pen in Crocosaurus Cove in Darwin on August 25, 2008. Swimming face-to-face with a massive saltwater crocodile might not be everyone's idea of fun but thrill-seekers are snapping up northern Australia's newest tourist attraction. Picture taken on August 28, 2008.  

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A 'recortador' pole vaults over a wild cow during an exhibition of riding and acrobatic skills at the bullring on the third day of the annual San Fermin festival in Pamplona on July 8, 2008.

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Stuntmen perform in a park to celebrate the new Chinese lunar year in Xiangfan February 9, 2008. The lunar Year of the Rat began on February 7 in China, and is celebrated by as many as 35 million overseas Chinese in cities across the globe.

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A man climbs a frozen artificial waterfall in the Swiss mountain resort of Pontresina on January 26, 2008.  

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Diver Brad Norman photographs a whale shark at Ningaloo Marine Park, off the coast of Western Australia, in this undated handout picture made available on November 29, 2007.

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Paulo Victor Aguilera (top) of Bolivia, Latin American champion of BMX bicycle motocross, or 'Bicicros', performs a stunt in Santa Cruz, some 900 km (559 miles) east of La Paz on August 28, 2007.   

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Acrobats ride a bicycle during a stunt performance 1000 meters (3300 feet) above the ground at Chaibuxi National Forest Park in Wufeng Tujia minority autonomous county, in central China's Hubei province, on October 9, 2006.

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Miguel Riera of Spain hangs on as he practices Psicobloc climbing over the Mediterranean sea in Porto Cristo at the Balearic island of Mallorca on July 28, 2006. Psicobloc is a type of rock-climbing where the climber tries to scale cliffs as high as fifteen meters without a rope.  

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Members of a group of Maltese mountaineers, training for a charity climb up Tanzania's Mount Kilimanjaro, reach the summit of Sicily's Mount Etna, the largest and most active volcano in Europe, as toxic sulphur fumes spew all around them on October 16, 2005.

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Australian Mark Spicer holds a parachute for Lorraine Duff as she makes her first ever base jump from a bridge at Twin Falls, Idaho, on August 15, 2005. Twin Falls has become a mecca for the extreme sport of base jumping because local officials allow it and the bridge offers good jumping conditions. 

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In the seats at right, Stratosphere spokesman Mike Gilmartin and a reporter take a spin on 'Insanity', a new thrill ride, over 900-feet above the Las Vegas Strip at the Stratosphere Tower in Las Vegas, Nevada.

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