Nestled on Boston's Commonwealth Avenue, the Tiffany Ayer Mansion is a unique architectural masterpiece, the only entirely Tiffany-designed home globally. Unveiled in 1902, its modern and disruptive design, conceived by Louis Comfort Tiffany, features a sleek, pale façade adorned with striking mosaic details, standing out amidst Boston's traditional red-brick backdrop. The interior boasts a grand hall with a towering fireplace, a vaulted ceiling, and an imperial staircase embellished with sparkling Tiffany glass mosaics. This historic mansion, conceptualized with luxurious living spaces and rich in artistic heritage, epitomizes the fusion of innovative design and historical significance in Boston's architectural tapestry.