Built as a temporary exhibit for the 1889 World’s Fair, the iron structure now symbolises Paris the world over. The tower sparkles with twinkling lights every hour on the hour from twilight to 2 am. From Jun 15 through Sept 1 9 am-12:45 am (stairs and lifts). From Sept 2 through Jun 14 lift open daily 9:30 am-11:45 pm, stairs open daily 9:30 am-6:30 pm. Last entries 45 minutes before closing. Entry fee (5-15€ for adults) depends on how high you go. A champagne bar is on the top of the tower, open from noon to 10pm.