In the video, a cat is seen climbing up a cat tree. The cat tree has several levels, and the cat climbs up to the top level. Once it reaches the top, the cat sits down and looks around. The cat tree is made of wood and has a scratching post. The cat is brown with black stripes and appears to be a domestic short-haired breed. The room where the cat tree is located has white walls and a gray carpet. There are no other objects or animals visible in the video.