The Çorum Archaeological Museum holds around 15,000 artifacts spanning eight civilisations, but its real strength is Hittite material. Çorum province sits at the heart of the old Hittite heartland — Hattusa, Alacahöyük, and Ortaköy-Şapinuva are all within an hour's drive — and the excavations from those sites have filled the museum with objects that bring the Bronze Age city-state to life in ways the open-air ruins cannot. Go here first, before you head out to the sites.
The Hittite galleries are organised thematically and chronologically. Among the highlights are bronze seals used in royal correspondence, embossed ceremonial vases from the Hüseyindede excavation, and a substantial collection of cuneiform tablets from Ortaköy-Şapinuva. Those tablets — administrative records, letters, and ritual texts from a Hittite palace archive — were inscribed in the 14th and 13th centuries BC and are now included on UNESCO's Memory of the World register. The range of everyday objects alongside the prestige items gives you a rounded picture: storage vessels, spindle whorls, cooking ware alongside weapons, jewellery, and cult objects.
The museum also has significant prehistoric and Chalcolithic material from Alacahöyük, including finds from the royal tombs predating the Hittite period by more than a thousand years. A smaller ethnographic section covers the Ottoman and more recent past of the region. The building is modern and well-lit, signage is in Turkish and English, and the crowds are modest — even in summer you'll have most of the galleries to yourself. Allow two hours minimum if you're going to read the labels carefully.