prince, pagin dr. prince. prince william that is. check him out.s like he stepped off the set of "e.r." prince mcdreamy. >> what's with the side eye? oh, wow. doctor. ctor. my dbut now, i take used tometamucil every day.sh it traps and removes the waste that weighs me down, so i feel lighter. try metamucil, and begin to feel what lighter feels like. ♪ i have a rock ♪ i have an island ♪ >> the grand canyon national monument. have you been? >> i have. it's amazing. saw a snake, never go back. >> well, it was created on though day in 1908. later becoming a national park. >> amazing history there. to celebrate the wonder of the wilderness, we're opening our abc vault and turning back the dial to 1999. >> many americans returning from a visit to the grand canyon this summer may find they need a vacation after their vacation. as abc's lisa salters re new measures are under way to deal with the congestion of millions of visitors each year to grand canyon national park. >> reporter: theodore roosevelt once described the grand canyon as the one place all am