You wouldn't think it because of its hoighty-toighty reputation, but the Rattlesnake Club in Detroit has some of the best happy hour specials in the city (especially for a fine dining establishment).
Check it out:
4:00PM-7:00PM Tuesdays through Fridays
Tuesdays The Wall of Vodka
Choose any of their 100 vodkas shaken, stirred, up or on the rocks -- your choice for $5.00
Wednesdays Martini Madness
Enjoy the Rattlesnake's house-infused martinis for $5.00
Thursdays & Fridays
$2 Domestic beer bottles
$3 Well drinks
$4 Wine selections
$5 Wall of vodka
Enjoy complimentary artisanal pizza served during happy hour on Thursday & Friday.
$5.00 martinis and a wall of vodka? AND pizza??? Yes, please.