Sight To Behold Meaning

(idiomatic) Something amazing or spectacular

Example: 10 December 2010, Mike Selvey in The Guardian Online, The Ashes 2010: The right approach and Steven Finn can be a Typhoon[1]
  A bowler in full stride off a long run-up is a sight to behold, but shorter may prove better for the tall England seamer
1914, L. Frank Baum, Tik-Tok of Oz Chapter 21
  For Ann and her officers were indeed a sight to behold. Her Majesty's clothing, once so rich and gorgeous, was now worn and torn into shreds by her long crawl through the tunnel, which, by the way, had led her directly into the Metal Forest.