I don't know of any such travel brochure online.
Where would YOU like to go in a Spanish-speaking country? What would you like to do?
Do you want to see bullfighting in Spain? Check this site.
Do you want to lounge on a Spanish beach? Check this site.
Do you want to visit the Spanish capital and its sites? Check this site.
Maybe you want to go to Mexico. Check this site.
How about Costa Rica?
You get the idea.