The holder of half a dozen world records will walk across the Grand Canyon on a steel cable with nothing but the Little Colorado River 1,500 feet below on June 23. With no tethers or safety nets, the walk will be the highest tightrope attempt ever for the 34-year-old, at a height taller than the Empire State Building. Last year, Wallenda, a seventh-generation member of the “Flying Wallendas” family of acrobats, became the only person to walk a wire over the brink of Niagara Falls. Photo: Nik Wallenda walks across a tightrope 200 feet above U.S. 41 on January 29, 2013 in Sarasota, Florida. (Photo by Tim Boyles)

Canadian artist Ellen Jewett makes extremely detailed animal sculptures that combine realism with curious elements of fantasy.

Hedi Xandt imagines impressive sculptures. Mixing styles and materials with talent, the artist invites us to discover his dark and intense universe.

A sculpture of a swimming man is displayed on the banks of the Thames on September 18, 2007 in London. The new artwork, unveiled today, is to promote a new television programme set in a tattoo parlour. (Photo by Peter Macdiarmid/Getty Images)

Artwork by Ruth Bellotti & Steve Rosewell called “Soldier Scale 1:1” is seen at the 2008 Sculpture by the Sea launch at Mark's Park, Bondi on October 15, 2008 in Sydney, Australia. (Photo by Gaye Gerard/Getty Images)

This is the work of Keisuke Yamada, a banana artist Kotaku first profiled in 2011. To make these sculptures, Yamada, an electrician by trade, must work fast, or the banana will start to go bad.

Created from nearly 4,000 pieces of metal scraps, Aslan (Turkish for Lion), is a recent sculpture by Istanbul-based artist Selçuk Yilmaz. The piece took nearly a year of work and involved hand-cutting and hammering of each individual metal piece

A table and chair the size of a house have been captivating visitors to north London's Hampstead Heath. The 30ft (9m) sculpture, The Writer, will be on Parliament Hill for four months before returning to Italy.