Newtown. This 1767 restored, four-bedroom farmhouse was last owned by the founder of Connecticut Country Home. The attached master suite was created from an 1857 farm structure imported from Massachusetts; other details include a chef's kitchen, reclaimed-wood cabinetry, and a dining room with fireplace.

The 2-acre property, bordering a state forest, has gardens, a stone patio, a barn with a loft, and fruit trees. $699,000. Margi Esten, Coldwell Banker Residential Brokerage, (203) 241-8453.

Warren. Built in 1790, this ­Federalist-style house was owned by the novelist Philip Roth for more than 45 years. The three-bedroom home contains his private book collection and features wide-planked and fieldstone floors, fireplaces in each bedroom, and a vaulted great room with exposed beams.

The 147-acre property includes orchards, woods, a pond, a pool, a vintage barn, and Roth's writing cottage with bathroom and kitchenette. $2,925,000. Peter Klemm, Klemm Real Estate, (860) 868-7313.

Old Lyme. The Peck Tavern, built in 1680, hosted George Washington. Now a six-bedroom home and one of the oldest residences in the state, it has been renovated inside but retains the original beamed ceilings, cupboard, fireplace, and stone cooking fireplace with beehive oven.

The 3-acre property, with a stone patio, landscaped gardens, and a two-story barn, is walking distance to the village. $885,000. Colette Harron, William Pitt Sotheby's International Realty, (860) 304-2391.

Bolton. William Hill built this house in 1670 after leaving Massachusetts to settle Connecticut with Puritan colony leader Thomas Hooker. The four-bedroom home includes a tap room with a walk-in fireplace and bar, a keeping room, a library, and a gourmet kitchen.

The house was moved in 1992 to the 2.9-acre property, which also has two post-and-beam barns, an apartment, a horse stall, and a workshop. $650,000. Peter Plourde, William Pitt Sotheby's International Realty, (860) 377-9185.

Greenwich. The Meads, early English settlers and founders of the town, built this home in 1796. The current owners have updated it with the help of renowned designer Louise Brooks. Interior details include crown molding, multiple fireplaces, and built-in bookshelves.

The 2.7-acre property has formal gardens, a two-bedroom cottage, a barn, stone walls, and established trees. $2,950,000. Sharon Kinney and Margi Vorder Bruegge, Douglas Elliman, (203) 622-4900.

East Haddam. The Samuel Emmons homestead was built in 1690 and retains many historic features. Inside the three-bedroom house are wide-board floors, hand-hewn beams, original paneling, and a master suite with spa bathroom.

The 6-acre property includes a pool and pool house, a pergola, a four-bay carriage barn added in 2016, and expansive lawns. $545,000. Debbie Huscher, William Raveis Luxury Properties, (860) 918-4580.