On Oct. 16, India’s Supreme Court lifted the ban on tourism in tiger reserves that it imposed in July, and tiger-viewing safaris have resumed. The reversal came after the National Tiger Conservation Authority announced new rules and guidelines to address the issues of tourism encroachment into the “core areas” of tiger habitats.

Under the new rules, tourism can continue, but no new tourism infrastructure can be created in core areas and all permanent structures will be removed from...

Even if you’ve never sat on the back of a horse in your life, you can learn to play polo at the Capilla Polo Club (Ruta 39 km 7, Capilla del Señor, Buenos Aires, Argentina; phone +44 20 7096 7682).

For a day, a week or longer, the club offers placid horses for beginners as well as polo ponies suitable for more advanced sportsmen. Each morning is devoted to “stick and ball sessions” (English speaking), and there are chukkas each afternoon. Students can stay on site in a traditional...

Named for its sponsor, Emirates Air Line (or visit www.tfl.gov.uk) is a new cable car system across the Thames in London. It carries passengers one kilometer between the Royal Docks Station, to the east, and Greenwich Peninsula Station, to the west.

On the 5- to 10-minute crossing, each cable car, holding up to 10 people, reaches a height of 90 meters and offers views of the Canary Wharf and Olympic Park.

The line operates until 9 p.m., opening at 7 a.m. on weekends, 8 a.m....