Answer:
I am found in the sea and on land but I do not walk or swim. I travel by foot but I am toeless. No matter where I go, I am never far from home. What am I?
I am what no man ever yet did see, which never was, but always is to be. What am I?
I'm as simple as a circle worthless as a leader; but when I follow a group their strength increases tenfold. By myself I'm practically nothing.
Sometimes I am white, sometimes I am dark. Most people love me. What am I?
My first is high my second damp my whole a tie a writer's cramp.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.