Chicago

Here's a suggested itinerary for 3 days in Chicago for a couple:

Day 1:

• Start your day with a visit to the iconic Cloud Gate sculpture, also known as "The Bean," in Millennium Park. Take some fun photos and enjoy the beautiful views of the city skyline.
• Next, head over to the Art Institute of Chicago, one of the oldest and largest art museums in the country. Explore the impressive collection of art from around the world, including works by famous artists like Monet, Van Gogh, and Picasso.
• For lunch, grab a bite at Lou Malnati's Pizzeria, a local favorite for deep-dish pizza.
• After lunch, take a stroll along the Chicago Riverwalk, a scenic pathway that runs along the Chicago River. Enjoy the views of the city's architecture and stop at one of the many bars or restaurants along the way for a drink or snack.
• In the evening, catch a show at the famous Second City comedy club, where many famous comedians got their start.

Day 2:

• Start your day with a visit to Navy Pier, a popular tourist destination with plenty of attractions, including an amusement park, Ferris wheel, and boat tours.
• Next, head over to the Field Museum, one of the largest natural history museums in the world. Explore the exhibits on dinosaurs, ancient cultures, and more.
• For lunch, try some classic Chicago-style hot dogs at Portillo's.
• After lunch, take a walk through Lincoln Park, a beautiful park with gardens, a zoo, and plenty of walking trails.
• In the evening, catch a performance at the Chicago Theatre, a historic venue that has hosted many famous musicians and performers over the years.

Day 3:

• Start your day with a visit to the Willis Tower (formerly known as the Sears Tower), one of the tallest buildings in the world. Take the elevator up to the Skydeck for stunning views of the city.
• Next, head over to the Museum of Science and Industry, a fascinating museum with interactive exhibits on science and technology.
• For lunch, try some delicious Italian beef sandwiches at Al's Beef.
• After lunch, take a walk through Grant Park, a large park that is home to many famous landmarks, including Buckingham Fountain and the Art Institute of Chicago.
• In the evening, enjoy a romantic dinner at one of the city's many fine dining restaurants, such as Alinea or Girl & the Goat.

I hope this itinerary gives you a good idea of what to do during your 3 days in Chicago!