This tri-level penthouse residence encompasses an impressive 3,301 square feet of living space. The majestic sun-lit entry foyer boasting oak floors and an oversized floor-to-ceiling window guides guests to a sky-lit staircase and the home's main entertaining spaces. The spacious living room, which flaunts an original Carrara marble fireplace, offers spectacular views of the Esplanade and Charles River and contains French doors that lead to a 21 foot-long deck with even more splendid local scenery. In the middle of the floor is a fabulous open, formal dining area accented with a dramatically …

This week Back Bay Patch is debuting its new feature, "Home Showcase," which highlights a unique property available for sale or lease in the neighborhood or nearby. For our first installment we chose 221 Columbus 800, a.k.a. The House On Top Of The Pope Building. Here are the details, from realtor Amy Jacobs' listing: 221 Columbus 800, List Price $7,200,000 First time available to purchase, a unique city home set atop the Albert A. Pope condominium building, this is the developer's personal residence. The 3 bedroom, 2.5 bath designer duplex penthouse flows seamlessly. The 3,500 square feet of…