We have an adopted grandchild, I was included in much of the process & was with them the first few weeks he was brought home. This was the most beautiful experience of my life & I have to admit out of our 7 grandchildren he is my heart.
You don't have to go international-my daughter & son in law went local with an agency that specialized in children of color, & that means a very wide range of ethnic backgrounds.
The advantage of the local agency is the continuing support to the adoptive & biological parents & the child. They sponsor several events where the adoptive parents & children can get together for fun for the children & the parents can talk with each other & hear speakers of all sorts, good & bad adoptive stories, stories from the adoptees, etc.
Listen to your heart, but be sure your husband is on the same page, research & speak with the experts in your area so they can guide you & you can be sure if this is the way to go.