1. Downtown Las Vegas, also known as "Old Vegas," is the historic center of the city and home to some of the oldest and most iconic casinos in Las Vegas. It is a vibrant area filled with neon lights, vintage signs, street performers, and unique art installations. Visitors can explore the famous Fremont Street Experience, which features a canopy with LED lights and live music performances. The area is also home to a variety of restaurants, bars, shops, and museums.

2. Las Vegas Downtown is open 24/7 as it is a bustling tourist destination. For specific businesses or attractions within the area, their operating hours may vary. For more information, you can contact the Las Vegas Visitor Information Center at +1 (702) 892-0711.

3. Admission to Downtown Las Vegas is free, and visitors can explore the area on foot. Public transportation options include buses and the Las Vegas Monorail, which connects the downtown area to the Las Vegas Strip. Additionally, ridesharing services like Uber and Lyft are readily available for transportation within the city.