The misty, verdant Blue Mountains top out at 7,400 feet. At about 2,800 feet, we strapped on helmets for a downhill bike ride. “If the brake doesn’t work, meet you at the bottom,” joked guide Rohan Cheddar. Our reward at the end: Red Stripe beers and a chilly plunge into a pool at the base of the foaming Fishdunn Falls.  (John Biemer / Chicago Tribune)