There are so many temples in Orissa Such as Sree Mandeer,Lingraj temple and Sun temple.If you come to the capital of Orissa(ie Bhubaneswar ) then you most visit to the Lingraj temple.Here is a few description about Lingraj temple.
The Lingaraja temple is said to have been built first by the ruler Yayati Kesari in the 7th century who shifted his capital from Jaipur to Bhubaneshwar. Bhubaneshwar remained as the Kesari capital, till Nripati Kesari founded Cuttck in the 10th century. Inscriptions from the period of the Kalinga King Anangabhima III from the 13th century are seen here.
Structurally, the Parasurameswara temple at Bhubaneshwar is the oldest, dating back to the middle of the 8th century, and the Lingaraja is temple is assigned to the 10th century. The nata mandir and the bhog mandir of the Lingaraja temple are of later origin.
In the month of June and July there is a festival organised as "Sitala Sasthi". In this festival Lord Siva marries to Lord Parvati . Lord Siva comes to lord parvati's temple for his swayambar. In this festival peoples are enjoy like a marriage cermony.