Besides transforming the adjacent stables into a four-bedroom guesthouse and installing a lap pool on the sloping two-acre grounds, his main concession to modernity was upgrading the kitchen, which sits at the rear of the house on the first floor, beside the dining room — and adding a bathroom on each of the four floors.

During the pandemic, when Miriam Leitko couldn’t swim because pools were closed, the lifelong swimmer built a lap pool at her home in Willis, Texas.

Like all 21c properties, the 10-storey hotel will double as a contemporary art museum, with 14,000 square feet of exhibition space, a museum shop, two restaurants and an athletic and swim club, along with a lap pool, hot tub, sauna and steam room.

The Orcas Island property includes a four-bedroom house and a two-bedroom guesthouse with “luxury amenities,” a 70-foot lap pool, hot tub, forests, gardens, ponds “and infinite privacy,” according to an online listing.

The blink-and-you-miss it compound is surrounded by a government-owned fence on the edge of town, with a converted garage that Carter used as a study to write his books, and a lap pool out back for exercise.