Tours

18 days, 17 nights. Departures ongoing. Highlights: Fly London to Phnom Penh/in Phnom Tamao Wildlife Rescue Centre, elephants paint T-shirts while they’re worn by visitors/kayak Irrawaddy River near dolphins/Elephant Valley Project/Jahoo Gibbon Camp/zip-lining at Siem Reap/Angkor Thom scavenger hunt/kayak past colonial homes on Kampot River. Adult, from £3,150 (near $3,932) ppdo; age 6-11, £2,975 ($3,714). Single supp., from £900 ($1,094). Bamboo Travel (London, England, UK; phone +44 20 7720 9285, www.bambootravel.co.uk).

10 days, 9 nights, May 26-June 4, 2020. Highlights: In Dakar, Senegal, 14th annual Dak’Art Biennale festival, Museum of Black Civilizations, African Renaissance Monument/slave trade history on island of Gorée/Pink Lake/artisan workshops in Village des Arts de Dakar/in The Gambia, village of Juffureh, home of Kunta Kinte (from “Roots”). $3,299 ppdo, $3,899 single. Spector Travel (Boston, MA; 617/351-0111, www.spectortravel.com).

15 days, 14 nights in Dec. 2019, April, July-Aug. & Dec. 2020. Minimum age, 9. Highlights: From Windhoek to Namib-Naukluft Nat’l Park for tall sand dunes/Sesriem Canyon for cheetahs in conservation center/flamingos at Walvis Bay/Swakopmund/Damaraland, home to desert elephants, meerkats/night game viewing in Etosha/camp on private farm. From London, £2,999-£3,549 ($3,660-$4,333) ppdo. Land only, £1,699-£1,749 ($2,075-$2,135). Single supp., £230 ($281).

6 days, 5 nights following monarch butterflies in MEXICO with Pacific Grove Museum of Natural History, Feb. 8-13, 2020. Highlights: Mexico City tour/in state of Michoacán, hike or ride trail horses to Spanish-colonial town of Angangueo for butterfly sanctuaries (Sierra Chincua, El Rosario)/Pyramid of the Sun at San Juan Teotihuacán. $2,065 ppdo. Single supp. $350. Holbrook Travel (Gainesville, FL; 800/451-7111, www.holbrooktravel.com).

16 days, 15 nights. The Arctic on 150-passenger M/V Hondius. Departures June 29, July 9 & 19, 2020. “Moderately strenuous” pace 6-8 hours daily. Group limit, 25. Highlights: In Oslo (3 nights), Vigeland Park, medieval Old Town/board ship in Longyearbyen for a 10-night cruise/Zodiac outings to Ny-Ålesund, glaciers, Svalbard’s Seven Islands/Hinlopen Strait, home to blue whales, polar bears/Hornsund fjord. $13,195-$14,495 per person, double occupancy (ppdo), in July, depending on US departure city. Single supp., $2,395.

8-day, 7-night, “moderate” walking tour of art, architecture in central ITALY, May 4-11 & Sept. 21-28, 2020. Group limit, 10-18. Highlights: Bologna/at Museo della Madonna del Parto of Monterchi, 15th-century fresco by Piero della Francesca/13th-century Franciscan convent in Cortona/in Montefalco, 15th-century frescoes/walk to Spello through olive groves, past Roman aqueduct/Assisi. Ppdo, £2,810 (near $3,414) from London or £2,690 ($3,269), land only. Single, £2,990 ($3,633) with air or £2,870 ($3,487), land only.

15-day, 14-night round trip on the Danube. Departures April-June, Aug.-Oct. 2020. Highlights: Embark in Budapest, HUNGARY/in Kalocsa, Paprika Museum/in Pécs, 4th-century Christian mausoleum/130-foot-tall rock relief of Romanian hero in Iron Gates Gorge/in SERBIA, medieval Novi Sad/in CROATIA, Vukovar, Old Town of Osijek/in BULGARIA, cross Danubian Plain to Pleven/in Bucharest, ROMANIA, Palace of Parliament. $3,639-$7,359 ppdo (based on date). $3,639-$14,718 single (per date and availability).

9-day, 8-night “moderate-difficult” walking tour in JAPAN. Departures Nov. 2019, March-May & Sept.-Nov. 2020. Group limit, 12. Highlights: Osaka/train to Koyasan for pilgrimage walk/climb from Takijiri-oji to Takahara, Hashiori-Toge Pass/hot springs of Yunomine Onsen/descend from Fushiogami to Hongū Taisha for 111-foot-tall torii/Nachi-no-taki waterfall. ¥388,000-¥400,000 (near $3,638-$3,750) ppdo. Single supp., from ¥34,000 ($314).

5 days, 4 nights in MEXICO, Dec. 9-13, 2019 & May 5-9, 2020. Highlights: In Mexico City, Mass at Basilica of Our Lady of Guadalupe/Teotihuacán pyramids/in Puebla, 17th-century Rosary Chapel/gondola ride among “floating gardens” of Xochimilco. From New York City, $1,599 ppdo; land only, $999. Single supp., $300. Traveling Pilgrim (Mulberry, FL; 888/878-8187, www.travelingpilgrim.com).