Tours

7-day, 6-night, "somewhat challenging" 200-mile bike tour, highlands to coast. Regular departures. Group limit, 2-10. Highlights: Train from Colombo to Kandy/bike through villages, tea plantations/Gampola railway to Nanu Oya/Nuwara Eliya/Yala National Park, home to elephants, monkeys/Sinharaja Forest Reserve/port city of Galle. $2,300 ppdo. Single supp., $670. Grasshopper Adventures (Brea, CA; 844/874-3720, www.grasshopperadventures.com).

12-day, 11-night, "moderate"-level trek. Departures March-September 2019. Group limit, 10. Highlights: Near Kuching, Semenggoh orangutan center/boat to Bako National Park, home to otters, bearded pigs/fly to Sandakan, Sabah, for Kabili-Sepilok Forest Reserve/mangroves in Kinabatangan Wildlife Sanctuary/Danum Valley Conservation Area/fly to Kota Kinabalu for markets, beaches. $9,595-$9,795 ppdo. Single supp., $1,395. Internal air, $325. Natural Habitat Adventures (Boulder, CO; 800/543-8917, www.nathab.com).

9-day, 8-night luxury tour. Departures May-October 2019. Group limit, 18. Highlights: In Dublin, Book of Kells, pub music/Kilkenny Castle/Cobh Heritage Centre/take a train to Cork for English Market, Jameson Distillery, Ballymaloe House/in Bonane, Lorge Chocolatier/Ring of Kerry/family dairy farm/in Clarinbridge village, beer & oyster tasting/Cliffs of Moher. $6,995 per person, double occupancy (ppdo). Single supp., $2,195. Abercrombie & Kent (Downers Grove, IL; 800/554-7016, www.abercrombiekent.com).

7-day, 6-night expedition in KENYA, June 16-22 & Aug. 25-31, 2019. Group limit, 4-12. Highlights: In Nairobi, East Africa Wildlife Society presentation, interactive visit with women's social enterprise/at Ol Pejeta Conservancy, last two northern white rhinos, night game drive/in Lake Nakuru National Park, game drive, Thomson Falls. From $2,850 ppdo. Single supp., $415. Intrepid Travel (579 Richmond St. W., Ste. 400, Toronto, ON, M5V 1Y6, Canada; 855/299-1211, www.intrepidtravel.com).

9-day, 8-night safari, Feb. 7-15, 2019. Group limit, 16. Highlights: Fly Los Angeles to Loreto in Baja California, MEXICO/Loreto Marine Park on a skiff in search of blue whales/snorkel with sea lions/Bay of Magdalena, home to gray whales/hike on Isla Magdalena/cooking class and margaritas in Todos Santos/search for humpback whales, birds near Cabo San Lucas. $5,500 ppdo. Single supp., $3,300. Scott Dunn Private Journeys (San Diego, CA; 858/523-9000, www.scottdunn.com).

11-day, 10-night "easy"-level hiking & cycling tour. Through July 2019 + Nov.-Dec. 2019. Highlights: In Bogotá, Santa Clara Convent, Gold Museum/16th-century town of Villa de Leyva/hike Iguaque Fauna & Flora Sanctuary/artisans in Barichara/hike 6 miles down Suarez Canyon to colonial Guane/hike through Umpalá/El Roble Coffee Hacienda/culinary tour in Cartagena's Old Town. $3,150-$4,350 ppdo (per group size). Single supp., $990. Wildland Adventures (Seattle, WA; 800/345-4453, www.wildland.com).

12-day, 11-night "moderate-level" hiking & walking trek. April 8-19, 2019. Highlights: In far-north Arica, El Morro lookout, St. Mark's Cathedral/in San Miguel, boat excursion along coast/mummies in Azapa museum/hike to Putre on smugglers' path/Suri Plaza in the Altiplano/volcano lake in Lauca National Park/fly to far-south Punta Arenas/Torres del Paine National Park/boat on Lago Grey/hike to Ascencio Valley. From $4,290 ppdo.