Minecraft wiki entry for Amplified, associated text: The first image of an Amplified world, as tweeted by Jeb.
A village generated in an Amplified world.
A typical floating island in an Amplified world.
A Birch forest in the amplified world type.
A spruce tree cut in half due to the height limit.
A Jungle biome in the amplified world type, with a giant tree taiga in the background.
A Old Growth Taiga biome in Amplified. Note that it can snow in many places in this biome in Amplified.
Bamboo Jungle in Amplified world at 1.16.1.
Natural snow generating as high as Y=801 in an amplified custom world with increased maximum height.