"Thousands are expected to descend on Niagara Falls tonight and millions more will watch on television as daredevil Nik Wallenda attempts an unprecedented stunt. He'll walk on a two-inch-wide tightrope some 200 feet in the air over the raging waters of Horseshoe Falls, the largest of the three falls that make up Niagara Falls." - ABC News
You can WATCH LIVE at WIVB.com (Buffalo) and also read all the FAQs about the death-defying stunt.
In the meantime, get yourself ready by checking out the incredible documentary Man on Wire from Magnolia Pictures (2008). The film recounts tightrope walker Philippe Petit's illegal walk between the Twin Towers in NYC! Watch the trailer below.
Also, get up and get movin' to Janelle Monae's funky hit (you guessed it) - Tightrope.