An eyecatcher is something artificial that has been placed in the landscape as a focal point to "catch the eye" or gain a viewer's attention. It is used to decorate or ornament landscapes for aesthethic reasons, and are typically found in gardens, parks and the grounds of stately homes. Many of these can be found in various forms.
Devices or objects
These can be anything but typically they tend to be
Or on a grander scale they can be structures such as a
References
Eyecatchers Wikipedia(Text) CC BY-SA