Rooftop bars are the latest must-have

Thompson Toronto, 16 floors high, great Toronto skyline-at-night view, pool surrounded by wheatgrass-edged private lounge areas, indoor part is year-round, working fire, www.thompsonhotels.com

Thompson Beverly Hills, tenth floor Dodd Mitchell design, with Swan Hill Fruitless olive trees, look out over Beverly Hills, www.thompsonhotels.com

Hotel Gansevoort, New York 13th floor, heated pool with underwater music, sunset views across the Hudson to New Jersey www.hotelgansevoort.com

60 Thompson, New York 13th floor, for hotel guests and a private members’ list that includes many of Mansour Travel’s Hollywood clients, plus John Galliano in his former life, www.thompsonhotels.com

W Washington DC 11th floor POV bar, red and white awning with fans, red velvet banquettes, www.whotels.com

Viceroy Miami 50th floor Club 50 is, sadly, invitation only – so stay over, to get entrée. Pool, views along Brickell, www.viceroymiami.com

Marina Bay Sands, Singapore the cantilevered connection atop its three, 55-floor towers holds three 50-metre swimming pools and a Ku De Ta bar-lounge, www.marinabaysands.com

Swatch Art Peace Hotel the 1906 on-The-Bund building, now artists’ and hotel residences, is topped by Swoosh! restaurant with a big terrace, and covered cigar lounge (great views across to Pudong) www.ytlhotels.com

Ritz-Carlton Shanghai Pudong 58th floor Flair, inside, a 4-metre wide working fire and recycled wood beams, outdoors, sit on terraces looking far down to the Huangpu River and across to The Bund, www.ritzcarlton.com

Ritz-Carlton Hong Kong Ozone, on 118th floor, is undoubtedly the world’s tallest outdoor bar, looking far down to ‘tiny’ Hong Kong below (though you can only look up, to the sky – the tall sides are glass) www.ritzcarlton.com

Any more suggestions? Let me know