You are not a human being in search of a spiritual experience. You are a spiritual being immersed in a human experience.
Summer is a great time to visit art museums which offer the refreshing rinse of swimming pools - only instead of cool water you immerse yourself in art.
Being solitary is being alone well: being alone luxuriously immersed in doings of your own choice aware of the fullness of your won presence rather than of the absence of others. Because solitude is an achievement.