How do I get admitted to Harvard University for a bachelor's?

I want to study in USA for my bachelor's in Architecture. Could someone please share some top universities that I should target for the same?

How to study abroad in Canada? What are the requirements for the same? What are some of the top universities in Canada?

How do I prepare for the speaking section of the TOEFL test?

How do you improve your English skills for the TOEFL test?

I want to do my masters from the US. How much will it cost to study abroad?

What are the steps for registration?

Will I need a visa?

I'm going to study in the US. How much am I allowed to carry?

What's the process? Documents needed?
Processing time?