Skara Brae (3200 - 2200 BC), Orkney, Scotland. This Neolithic village lies on the shores of Bay o Skaill on the western coast of the Orkney mainland. It is comprised of eight dwellings that are linked together with a series of low alleyways. Each of the houses has the same basic design, which is a large square room with a fireplace, a bed on each side and a shelved dresser on the wall that is opposite the doorway. It is believed that sand dunes finally led the village to be evacuated but it had been inhabited by about seven generations before this time. It was discovered forty centuries later in the mid-1800s by another storm. The people had only stone available for building, thus, there is a large assortment of stone furniture ranging from beds to limpet tanks.
             Stonehenge (3000 - 1500 BC), England. There are any number of legends surrounding the question of who built this henge and why but the best guess seems to be that Stonehenge was begun by people of the late Neolithic period, about 3000 BC and then carried on by people over time. It is believed that the inner stone circle was build in about 2000 BC but abandoned before it was completed. The bluestones used are from the Prescelly Mountains, about 240 miles from the site. The bluestones weigh about 4 tons each and about 80 stones were used. The giant sarsen stones that form the outer circle weigh as much as 50 tons each and had to be transported 20 miles. These larger stones were then prepared to accommodate stone lintels along the top surface of the ring. It is estimated that Stonehenge was finally completed about 1500 BC. The Stonehenge that is left is the ruins of the original construction.
             Nanna Ziggurat (2100-2050 BC) in Ur. The ziggurat was constructed in honor of the moon god Nanna and was built by Ur-Nammu. Constructed of mud-brick, there were three stages in the construction. This is the best preserved of the ziggurats in Mesopotamia and has been
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