If you are looking for a truly unique and secluded spa, then head to the Gage Hotel Spa in Marathon. Marathon, Texas is southeast of El Paso near Big Bend, and while it may mostly attract male tourists due to its ruggedness, it does offer a little something special for the ladies. The treatment rooms are rustic and eclectic and the West Texas scenery is simply jaw-dropping. The spa treatments include aromatherapy massages, mud treatments and a couple’s retreat just to name a few.