The symbols caught my eye.
I did some searching to learn more about the symbols, the meanings of the symbols and about Coexist.
Here are what the symbols represent.
Islam - the crescent moon and star
Baha'i Faith - the nine-pointed star
Judaism - the Magen David
Paganism - the Ankh
Taoism - the Yin-Yang symbol
Christianity - the cross and crucifix
Here are some other interesting facts on religious symbols.