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• The Ritz-Carlton Montreal is celebrating its 100th anniversary with a fourth-night-free offer. A four-night stay, after the discount, now starts at about $1,422 (including taxes), a savings of about $474. Available through March 27; some dates are sold out. For more information, call (800) 363-0366 or visit www.ritzmontreal.com.

• With Natural Habitat Adventures, book a Secluded Botswana Safari by Dec. 31 and receive a free four-day Cape Town extension. The bonus trip, worth $1,200, includes three nights at the Victoria & Alfred Waterfront Hotel, transfers and a full-day peninsula tour. The deal is valid on the June 7, July 7, Aug. 9 and Sept. 14 departures of the 13-day Botswana trip, which starts at $11,795 per person double. For more information, call (800) 543-8917 or visit www.nathab.com.

• Spend the night at Keswick Hall at Monticello, near Charlottesville, Va., and receive a $100 dining credit. Stay Sunday through Thursday, from Jan. 2 through March 28; blackout dates apply. Superior guest rooms run $275 a night, plus about $28 taxes and $25 daily resort fee. Credit can be used at Fossett’s Restaurant, Fossett’s Bar or Villa Crawford. For more information, call (888) 778-2565 or visit www.keswick.com.

Deals sell out and availability is not guaranteed. Some restrictions may apply.