To Chicago and Back (Bulgarian: До Чикаго и назад) ISBN is a book written by Bulgarian writer Aleko Konstantinov in 1894, describing his journey from Bulgaria to the United States. Most of the book describes his stay in the United States, especially Chicago but also talks about other sites such as Niagara Falls, among others.
The book's first edition is depicted on the obverse of the Bulgarian 100 levs banknote, issued in 2003.