1. Viña del Mar is a coastal city in Chile, known for its beautiful beaches, stunning parks and gardens, and prime location for cultural events and festivals. It is also known as the \"Garden City\" due to its abundant botanical gardens. The city features a range of architectural styles - from neoclassical to modernist - which adds to its charm. Santiago, on the other hand, is the capital city of Chile and its largest city. It is a bustling metropolitan city featuring a mix of old and new architecture, vibrant nightlife and delicious food scene. Santiago is also positioned near the Andes mountains which provides a picturesque backdrop for the city.
2. The working hours for various attractions, museums and parks can vary, however many open from 10am to 6pm. The phone numbers for specific establishments can be found online or by contacting the Chilean tourism board.
3. Tickets for various attractions can be purchased online or at the venue itself. Public transportation is readily available and affordable, with buses, trains, and the metro system making it easy to get around both Viña del Mar and Santiago. Taxis are also available, however, it is advisable to use an app-based taxi service like Uber or Cabify to ensure safety and a fair price.