Listed at $5.5 million, a beautiful 1890s townhouse in Philadelphia's Art Museum area offers a fusion of 19th century craftsmanship and 21st century comfort and sophistication. The 12,456-square-foot Victorian single-family home has been restored in a way that celebrates its architecture, retaining features such as the rotunda's original stained glass. A host of upgrades include a spa, wine cellar, gun range, panic room, and custom vault. Available fully furnished.