Part of being "over the hill" is handing down experiences, wisdom and lore. What are the hikes that you have done that you want to recommend to others? It could be either an obscure route that you consider "world class" or a more widely-known route that you want to verify "Yeah, this is a great one".

My nominations (in no particular order) :

Grand Canyon rim-to-rim.

Lakeshore Trail -- Pictured Rocks National Lakeshore

Casque Isles Trail -- Terrace Bay-Rossport ON. (Middle of north shore of Lake Superior)
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Human Resources Memo: Floggings will continue until morale improves.