Raised pond with sleepers
Exactly what I originally wanted to make in the back yard, a few years ago...
Raised Koi Pond
Metal Tank Garden Pond (Excellent how-to via the link. Don't forget to make the pond safe re children and other small creatures AND to prevent mosquitoes.)
Small Raised Ponds | Above Ground Pond Kits
Create your own koi pond. Many original designs selling on ebay.
Google Image Result for http://blossomcreeklandscaping.com/wp-content/uploads/2011/06/Waterfall-and-Koi-Pond-Full.png
Google Image Result for http://www.your-garden-ponds-center.com/images/garden-pond-bridge-2.jpg
Butterfly koi fish stained glass mosaic inlay kit. Many designs selling on ebay.
Images For Above Ground Ponds Ideas Above Ground Fish Ponds Designs