A stone wall wraps around the Commodore Perry Estate, obscuring views of an ornate Italianate mansion built by a wealthy cotton merchant and his socialite wife during the Roaring ‘20s in what was then the outskirts of Austin, Texas. But the estate is hardly a secret these days. Auberge Resorts Collection has reimagined the 10,800-square-foot mansion as the centerpiece of a 10-acre urban resort that is enticing luxury-minded visitors from around the world.   On a recent assignment for Travel Weekly, I explored the whimsically...