Have a look at these pictures of the Temples of Khajuraho.

Some are so explicit that they cant be posted here.

http://www.shunya.net/Pictures/NorthIndia/Khajuraho/Khajuraho.htm

the temple carvings at the Sun temple at Konark also depicts a lot of sex.

MOD NOTE: Kindly do not post such pictures, even for the sake of art, on QL. Thank you.