In San Antonio and its neighboring communities, the appetite for over-the-top luxury amenities is sure to raise some eyebrows.  The Express-News compiled a list of some of the wildest real estate listings spotted in and around Alamo City so far this year. Among them are a private water park, a lazy river and a wine cellar built into a rock bluff.  Tony Parker’s splashy mansion: The 53-acre estate near Boerne owned by the former Spurs player Tony has a waterpark. The mansion is still on the market for $19.5 million.  The property, at 9 Rue Parker, includes 10 bedrooms, eight bathrooms, and four half-bathrooms.  This is a carousel. Use Next…