According to forum posts, popular hotel options in Chicago include the Langham, Park Hyatt, and the Sofitel. The Langham is highly praised for its spa facilities and proximity to lively areas, especially on weekends. The Park Hyatt is favored for its more masculine decor and quiet atmosphere.

Some travelers mentioned the importance of location, with hotels like the Langham and Park Hyatt being close to Michigan Avenue's shopping district. The Sofitel is noted for its unique architecture and central location just off North Michigan Avenue, though some users found it a bit dingy.

For those seeking quieter options, the Park Hyatt is recommended for its serene ambiance, complemented by its spa facilities. The Langham, despite being in a lively area, is well soundproofed, providing a peaceful retreat in the heart of the city.

Travelers have called out specific hotels for their exceptional service and amenities. For instance, the Langham is repeatedly recommended for anniversary stays due to its luxurious offerings and prime location, making it a top choice for special occasions.

According to forum posts, Chicago offers a variety of public transportation options including buses and trains managed by the Chicago Transit Authority (CTA). The CTA's network includes the L train service with lines like the Orange Line to Midway Airport and the Blue Line to O'Hare Airport.

Travelers have called out specific train lines useful for navigating the city. For example, the Orange Line is recommended for a direct route from Midway Airport to downtown Chicago, while the Blue Line is suggested for travel from O'Hare Airport to downtown areas.

Some users suggested utilizing specific CTA bus routes for convenient travel around the city. The #6 Jackson Park Express bus and the #146 bus are mentioned as effective ways to reach major attractions like the Museum Campus.

For many users, purchasing a multi-day CTA pass is considered a cost-effective way to explore the city. These passes are valid on all CTA buses and trains, enhancing the convenience for tourists.

According to forum posts, Kingston Mines and Blue Chicago are recommended for blues enthusiasts. For a more eclectic mix, Phyllis' Musical Inn in Wicker Park offers a variety of music genres, though primarily punk. Travelers have called out the Redhead Piano Bar and The Green Mill for jazz lovers.

Some travelers said neighborhoods like River North and Lincoln Park are vibrant areas with lively nightlife options, including dive bars and music venues. Lakeview is suggested for country music bars near Wrigley Field and a younger, lively bar scene in North Halsted.

For many users, proximity to good nightlife is crucial. Hotel Blake and the Hyatt in Wicker Park are mentioned as accommodations with easy access to local bars and music scenes. The Hotel Versey and the Willows Hotel are also noted, though it is mentioned that most music clubs aren't within walking distance, suggesting the use of ride shares or taxis.

Travelers have also highlighted rooftop dining and drinking spots across Chicago, ranging from swanky downtown locations to casual neighborhood spots, enhancing the nightlife experience with scenic views.

According to forum posts, travelers can hire a van taxi directly at the official taxi line at O'Hare Airport. This service is convenient for those traveling with large amounts of luggage or in bigger groups.

Many users recommend the use of rideshare services such as Uber XL, which can be a practical choice for families or groups with multiple large bags. This service offers the flexibility of a larger vehicle that can accommodate more passengers and luggage.

For those looking to use public transportation, the Blue Line train is accessible from O'Hare and provides direct connectivity to downtown Chicago. This option is highlighted as both economical and efficient by travelers on the forum.

For travelers considering driving, forum discussions suggest using remote parking lots at O'Hare, which offer shuttle services to the terminals. Websites like SpotHero are mentioned for pre-booking parking spaces, especially during peak travel times when lots fill up quickly.

According to forum posts, Chicago hosts a variety of Halloween events, including major ticketed events and bar celebrations. The Arts in the Dark parade, mentioned by a traveler, is a notable event held on State Street.

Some travelers highlighted the Irish American Heritage Center's celebration of ancient Irish Samhain traditions on October 29, which marks the end of the harvest season and is open to families.

Forum posts indicate that Chicago offers several New Year's Eve activities such as Zoo Year's Eve at Lincoln Park Zoo and various parties listed on Eventbrite. First Night Evanston is another popular outdoor event.

According to traveler discussions, Chicago Theatre Week is an annual event around February that features discounted tickets to a range of performances, celebrating the city's rich theatrical scene.

According to forum posts, family-friendly activities in Chicago include visiting the Museum of Science and Industry, Lincoln Park Zoo, and taking a bike ride along the lakefront. Travelers have also recommended enjoying the Navy Pier for its Ferris wheel and the Children’s Museum.

For more interactive experiences, some users suggested taking water taxis, experiencing the sights from the top of the Sears or Hancock buildings, and enjoying sports events or tours like those at Wrigley Field. Additionally, riding the L and Metra trains has been highlighted as an enjoyable way for kids to see the city.

Unique activities mentioned by forum contributors include visiting the Nutella Cafe and playing games like Uno at the Signature Room. During special events like the Air and Water Show, the Navy Pier offers exceptional views and a vibrant atmosphere that can be a highlight for visiting families.

According to forum posts, must-see locations in downtown Chicago include the Art Institute of Chicago, known for its comprehensive art collections. The Museum of Contemporary Art also garners interest for its modern artworks. Additionally, Millennium Park, home to the iconic Bean sculpture, is a recommended spot.

Travelers have called out the Chicago Riverwalk and the Chicago Architecture Center as key places of interest. The Riverwalk offers scenic views and leisure walks, while the Architecture Center provides insights into Chicago's famous buildings and historical development.

Some users recommend the Chicago Cultural Center, which hosts a range of arts and cultural activities and is noted for housing the world's largest Tiffany dome. The Center's diverse programming caters to a wide array of interests, making it a cultural hub in downtown Chicago.