These Indoor Pond pictures will give you some examples and ideas for designing your own pond.
This indoor pond has see through glass panels.
Here's a small indoor koi pond with lots of plants.
Here's a large indoor pond with a floating staircase above it.
Here's a small rectangular indoor pond with stacked stones around it.
Here's a very large indoor water pond big enough for a canoe.
Here's a small indoor pond with a pine surround.