The Whispering Knights dolmen is estimated to be about 6,000 years old.
There may be something older...
Either Knap of Howar or Midhowe Chambered Cairn at 3,500 BCE.
The oldest manmade lake in South Carolina is Lake Wateree. It is in Kershaw County and has 216 miles of shoreline.
It is a manmade concrete structure.
that would be the subway structure
Great wall of China!
The great wall of China.
solar
oldest recorded city in england should be Colchester, Essex
The oldest person in England was Jessie Nicholls age 110.
Lords Cricket Ground is the oldest in England.
A beehive is an enclosed structure in which some species of honey bees live and raise their young, or a manmade structure in which bees are reared for their honey.
The Great Wall of China.
captian