Guides expound on architectural heritage & design of early skyscrapers during 75-minute tour of Chicago River's three branches

Guests hurl balls down the lane as they enjoy individual games or unlimited bowling outings

Two-hour camp sessions entertain up to 20 youths with take-home crafts, educational games & magic tricks.

Three-day outdoor bash closes summer with lineup of popular electronic, hip-hop, and indie acts such as Axwell, Big Boi, and Dan Deacon

Assortment of themed bounce houses, from pirate ships to obstacle courses, hone motor skills & inspire imagination

Muskie fishing specialist provides rods, reels & knowledge of local waterways for tracking down fish that can reach up to 70 pounds

Professional drivers ignite adrenaline glands in speedy open-wheeled formula cars with exciting ride-alongs & racing experiences

Among top teams in USHL, Ice continue quest toward second Clark Cup behind pair of proficient scorers & one of league's best goalies

Custom go-karts zip around outdoor tracks during 15-minute races or instructors explain advanced driving techniques & equipment

Instructors introduce basics of skydiving on ground & accompany students in Pilatus Porter plane for plunge & parachute ride to ground