Allium 'Globemaster' - Alliums are nicknamed "Ornamental Onions." - The flowers (which are spheres formed of a whole lot of tightly packed tiny flowers called florets) can be softball to volleyball sized on stems up to three feet tall.
Succulents grown into the shape of a Chameleon, Montreal Botanical Garden- this is the coolest thing ive ever seen I really want to go here one year. research for 2014 because I'll be right near montreal!
Rock Cress ~ Excellent evergreen ground cover, producing cushions of pretty purple-blue flowers. It can be planted along the edge of a bed or lawn, or in the rockery, but is also very effective in a hanging basket displaying a profusion of colour.