From $66/night at Chicago’s Essex Inn.  Amenities include:

• Within walking distance of the Museum Campus, a lakefront park that’s home to the Shedd Aquarium, Adler Planetarium and the Field Museum.
• Free scheduled shuttle to the Magnificent Mile, the Museum Campus, Navy Pier, and other downtown attractions. Within a few blocks of the hotel, you can also catch buses and trains to other parts of the city.
• A rooftop garden with covered, all-season pool overlooking Lake Michigan and Grant Park.
• Free WiFi, refrigerators, LCD flat-screen TVs and floor-to-ceiling windows.