This building, formerly known as the SkyDome, has the world's first fully retractable roof. Since its construction, it has become an integral part of the Toronto skyline. The dome hosts the Blue Jays' home baseball games, as well as concerts and other special events. Two attached restaurants and a luxury hotel offer views of the field, and tours of the building are available. Tours are scheduled around the events calendar; call ahead to avoid disappointment. Can$13.25 adults, Can$9.25 seniors and children ages 12-17, Can$7.75 children ages 5-11. 1 Blue Jays Way (at the corner of Front and John streets), Toronto. Phone 416-341-1707. Call 416-341-2770 for tour information. http://www.rogerscentre.com.