Over the past few years, I’ve noticed that the variety and quality of aquarium decorations has really improved. When purchasing cat food and litter at the local mega pet store, I often stop in the fish section to take a look at their supplies. I’ve bought some very neat Mayan ruins, a few classical Greek structures, as well as Chinese pagodas for my Boxer Rebellion games. Good stuff, and well worth a look.
Here’s an article on using aquarium supplies as miniatures terrain.