Mysterious places

English;
to form the skills of independent search and research work with reference and encyclopedic and special literature on history;
to develop memory, speech cognitive-mental activity of students, ability to cooperate, independently to distribute duties, to solve joint tasks;
to educate a person with an active life position, to cultivate respect for the culture and traditions of the countries of the world.

given for Stonehenge being there?
Why were the pyramids built?
In what way are the stones used at the two places similar?