Brother plans!!

Brother plans to go to explore washington dc to niagara falls with girlfriend. Because my brother decided we will go explore Niagara Falls, and I will propose her and to go there. What do you say about my brother planning? Do you have any opinion about this tour?

I liked your brother's planning and I want to say that Your brother should explore its attractions especially Niagara Falls on this tour because it is the best tourist attraction. What do you say about my suggestion?