Answer:
I build bridges of silver and crowns of gold. What am I?
I come out of the earth, I am sold in the market. The one who buys me cuts my tail, takes off my suit of silk, and weeps beside me when I am dead. What am I?
I am constantly overlooked by everyone but everyone has me. What am I?
Upon your lonely journey I accompany you, whether you travel through endless mountains or seas of blue. Wherever you go, I keep your place. Lost you're not, when I'm embraced. What am I?
I go through a door but never go in and never come out.
A mysterious, fantastic creature, It has one defining feature, And for humans at their worst, In their eyes it's just a horse