Harold Pratt House and Peterson Hall is a historic Manhattan mansion at 58 E 68th St, offering an old-New York style setting for weddings. The first floor hosts dancing and receptions, while the second-floor library and dining room provide additional space for dinner and conversation. Reviewers note it suits around 70 guests, works well for black-tie affairs, and is LGBTQ-friendly. Hannah and the venue team are frequently praised for quick, accommodating communication throughout planning.