ticket fares about attrations in Beijing and Xian

Ming Tombs:
Changling: CNY 45 (Apr. 1 to Oct. 31); CNY 30 (Nov.1 to the next Mar. 31)
Dingling: CNY 60 (Apr. 1 to Oct. 31); CNY 40 (Nov.1 to the next Mar. 31)
Zhaoling: CNY 30 (Apr. 1 to Oct. 31); CNY 20 (Nov.1 to the next Mar. 31)
Sacred Way: CNY 30 (Apr. 1 to Oct. 31); CNY 20 (Nov.1 to the next Mar. 31)

Tiananmen Square: Free

Forbidden City: CNY 40 (Nov. 1 to the next Mar. 31); CNY 60 (Apr. 1 to Oct. 31)

Temple of Heave: Its ticket fare system is complex, so I suggest you to refer to https://www.travelchinaguide.com/attraction/beijing/heaven/. I am sure you can find what you want.

Summer Palace: You can look on https://www.travelchinaguide.com/cityguides/beijing/summer.htm

Terra-Cotta Warriors:
CNY150 (March 1 - end of November)
CNY120 (December 1 - end of Februay)

Shaanxi History Museum: Free, but you have to get your ticket at ticket office with your passport.

Bell Tower and Muslim Street:
CNY 27 for the Bell Tower only and CNY 40 for the joint ticket of Bell Tower and Drum Tower
Free for the Muslim Street

Big Wild Goose Pagoda (the pagoda is in the temple)
Entrance Fee of the Da Ci'en Temple: CNY 50 (March 1 - November 30); CNY 30 (December 1 - end of February)
Ascending the Pagoda:
CNY 30 (March 1 - November 30); CNY 20 (December 1 - end of February)