Maybe most people like to travel if they have much free time,so am I.I will talk about Pennsylvania,It is a famous state in the US.
Pennsylvania locate in the northeast of the US.According to the survey in 2016,the population approximately 12,440,621.And in this state,It is warm and humid in dummer and cold in winter.The most famoues city is Philadelphia.
If you want to travel in Pennsylvania,those scenic you need to know.First is the Philadelphia museum of art,I think if you want to understand a city,the museum is a very good way.You can know the history about it.The second is University of Pennsylvania,it is very big and beautiful,there are more trees and beautiful buildings.The third is Liberty Bell Center,and other like Indenpendence Hall,Chinatown,Longwood gardens.it's also very interesting and worth to travel.
So America as a developed country,it have developed economic level,If you travel to there,maybe you will come to a new world. You will broaden horizon.