The answer depends on personal preferences and what you are looking for in a travel destination.
Iowa is known for its picturesque countryside, charming small towns, and agricultural heritage. It offers a relaxed and peaceful atmosphere, with attractions such as the Field of Dreams movie site, numerous state parks, and the Iowa State Fair. Iowa is also famous for its delicious food, particularly its hearty Midwest cuisine. If you enjoy exploring rural landscapes, immersing yourself in local culture, and appreciating the beauty of the American heartland, Iowa could be a great choice for you.
On the other hand, Washington state offers a diverse range of experiences. It is known for its stunning natural landscapes, including the Cascade Mountains, Olympic National Park, and the beautiful coastline. The major cities like Seattle offer a vibrant urban environment with a thriving arts scene, innovative cuisine, and iconic landmarks, such as the Space Needle. Washington is also home to numerous wineries and breweries, making it a great destination for wine and beer enthusiasts. Whether you enjoy outdoor activities, exploring cities, or experiencing a blend of both, Washington offers a wealth of options.
Ultimately, the best state to visit between Iowa and Washington depends on what you are looking for in a trip and the type of experiences you enjoy.