Um, there are many places like this in the USA. For example, look for Monastery of Christ in the Desert in Abiquiu, New Mexico. There are many zen mediation centers that offer retreats in the Bay Area. (Google San Francisco Zen Center/ Green Gulch). There are many Catholic monasteries in the USA that offer private retreats where you are not forced to attend mass or anything like that. Just google monastery retreats USA and you will get lots of info.
Um, there are many places like this in the USA. For example, look for Monastery of Christ in the Desert in Abiquiu, New Mexico. There are many zen mediation centers that offer retreats in the Bay Area. (Google San Francisco Zen Center/ Green Gulch). There are many Catholic monasteries in the USA that offer private retreats where you are not forced to attend mass or anything like that. Just google monastery retreats USA and you will get lots of info.
So no, it’s not an oxymoron.