Monument

Anything by which the memory of a person, thing, idea, art, science or event is preserved or perpetuated. A tomb where a dead body has been deposited.

In REAL-PROPERTY law and surveying, visible marks or indications left on natural or other objects indicating the lines and boundaries of a survey. Any physical object on the ground that helps to establish the location of a boundary line called for; it may be either natural (e.g., trees, rivers, and other land features) or artificial (e.g., fences, stones, stakes, or the like placed by human hands).