National Writing Project:

In this NWP article, a teacher explains how he used a cemetery as a teaching site and includes some student writing from that experience:

This NWP article is about helping secondary school students write about place, but you can adapt its ideas for fourth graders:

Note:  There are five National Writing Project sites in Indiana, and they would be glad to help you with developing curriculum and approaches to teaching writing for this project and in general.  See links to the five sites here:

National Council of Teachers of English:

NCTE Lesson Plans and Teaching Resources:

Looking at Landmarks: