One of her favorite trails is the Appalachian Trail. It offers diverse landscapes and a great sense of accomplishment when you complete sections of it.
Such a topic is not typical or morally correct. Married men should focus on building and maintaining a respectful and loving relationship with their spouses, rather than engaging in such unusual and potentially harmful activities.
The Centennial Trail is a good option. It has relatively easy sections with great scenery. Another one is the Flume Trail. It's not too difficult and offers views of the surrounding forest.
There is no evidence to suggest that such activities occur in a gym environment. Gyms have rules and ethics in place to maintain a proper and respectful atmosphere for all members. This kind of description violates the basic norms of a public fitness place.