Landmark (noun)

1. A notable or recognizable natural feature or man-made structure that serves as a reference point in a particular place.
2. A significant event, discovery, or achievement in a particular field or area.

Origin:

From middle english landmarke, from middle low german lantmerc.

Examples:

1. The Eiffel Tower is a landmark that is easily recognizable and represents France to people around the world.
2. The Grand Canyon is a landmark that attracts millions of visitors each year, drawn by its beauty and natural wonder.
3. The landmark ruling by the Supreme Court legalized same-sex marriage in the United States.
4. The discovery of DNA was a landmark in the field of genetics, leading to a greater understanding of how living organisms are related.
5. The towering skyscraper serves as a landmark for the city, visible for miles around and symbolizing its growth and prosperity.