In the northern part, comprising the Rajshahi district, there are archaeological sites, counting the temple city Puthia in Rajshahi; the biggest and most antique archaeological site,Mahasthangarh in Bogra; the single largest Buddhist monastery, Paharpur in Naogaon; the most decorative terracota Hindu temple in Bangladesh Kantaji Temple, and many rajbaris or palaces of old zamindars. Other places of attractions include Sundarbans, the largest mangrove forest of the world with Royal Bengal Tiger and spotted deer. The historically and architecturally important sixty domed mosque in Bagerhat is a notable site. In the south-eastern part, which is the Chittagong division, there are chiefly natural and hilly scenarios like Chittagong Hill Tracts, alongside with sandy sea beaches. The most noteworthy beach is the longest unbroken sandy sea beach in the world in Cox's Bazaar.