20. Mount Roraima shared between Venezuela, Brazil, and Guyana
22. Cave of the Crystals in Naica, Chihuahua, Mexico
- Former Israeli President Shimon Peres has died at 93. He was the country's longest-serving politician and statesman.
- Monday night's presidential debate between Donald Trump and Hillary Clinton was a horse show for undecided voters.
- And in a powerful note on her Facebook page, tennis star Serena Williams says she won't be silent about the police killings of black men.