It is a hazy patch in small telescopes, large scopes can resolve some detail. It is difficult but possible to see in binoculars. The Pleides are a large open cluster in Taurus. Easy to resolve six stars naked eye. Binoculars provide the best view.
Large telescopes can show some nebulosity.
M35, M37, M36, M38 - A series of open clusters in the winter milky way. M35 is in Gemini, the others are in Auriga. All can be seen naked eye as faint fuzzy stars, binoculars reveal fuzzy patches, low power telescopes can resolve these rich clusters. M42, M43 - M42 is the great Orion Nebula. It can be seen as small fuzzy patch naked eye.