Arrive at Beijing Capital International Airport. Take Airport Express Line from Terminal 3 to Dongzhimen Station (8 stops, ~20 mins, CNY25). Transfer to Line 13 towards Xiju and get off at Jianxiangqiao Station, Exit A. Take a short 5-minute walk to Yi Se Hotel Apartment at No. 10 Jinhui Road, Chaoyang District.
Walk 10 minutes to Jianxiangqiao Station, take Line 14 towards Beijing South Railway Station and get off at Dongdaqiao Station (3 stops, ~7 mins). Walk 5 minutes to Galaxy SOHO. Open until 10pm.
Walk 5 minutes to Jianxiangqiao Station, take Line 13 to Dongzhimen Station (2 stops, 6 mins), transfer to Line 5 towards Tiantongyuan North Station and get off at Tiantan East Gate Station (2 stops, 5 mins). Walk 10 minutes to Temple of Heaven Park. Park closes at 9pm, entrance CNY35.
Walk back to Tiantan East Gate Station, take Line 5 to Dongdan Station (2 stops, 5 mins), then walk 8 minutes to Wangfujing Street, open until 10:30pm.
From Jianxiangqiao Station take Line 13 to Dongzhimen (4 stops, 10 mins), transfer to Airport Express bus H24 directly to Huairou North Bus Station (approx. 1h40m, CNY20). From Huairou North take local bus or taxi (CNY30, 15 mins) to Mutianyu Great Wall entrance. Entrance fee CNY45; optional toboggan CNY80.
Take metro Line 4 at Beigongmen Station to Xuanwumen Station (approx. 30 mins), transfer to Line 1, get off at Dawanglu Station (5 stops, 15 mins). Walk 7 minutes to The Place LED canopy mall, open till 11pm.
Walk 10 minutes to Tiananmen East Station, take metro Line 1 to Tiananmen West (2 stops), walk 8 minutes to Forbidden City. Tickets CNY60, open 8am–5pm. Walk to Jingshan Park nearby, entrance CNY10, for panorama from Coal Hill Peak.
From Tiananmen West walk back to Qianmen Station, take Line 2 and then transfer to Line 7 to Guangqumennei Station (approx. 25 mins), where Taj Mahal Indian Restaurant is located, open 11am–3pm and 5pm–10pm.
Take Line 7 from Guangqumennei to Beijing North Railway Station (20 mins), then take suburban train S2 to Badaling Station (1h15m). Entrance fee CNY40.
Take suburban train S2 back to Beijing North Station (1h15m), then Line 2 to Jianguomen Station, transfer to Line 1 and Line 14 to Jianxiangqiao Station (1h).
Walk 5 minutes to Jianxiangqiao Station, take Line 14 to Jiaomen West Station (9 stops, 25 mins), transfer to Daxing Airport Express Line to airport terminal (~30 mins).