NYC landmark home with world's tallest private rock-climbing wall lists for $20M

Kushner, who has been climbing since the 1980s, initially envisioned a wall of family history that visitors would climb, but the idea quickly evolved into something far more epic. 'I was going to have this wall of family history, and you'd climb it to finally reach the top of the house,' Kushner told Bloomberg. 'That morphed into a rock climbing wall.'

Read at New York Post