1. Panamá Viejo, also known as Old Panama Ruins, is a UNESCO World Heritage site and the remaining historical ruins of Panama City. It was founded in 1519 and served as the capital of Panama until 1671 when it was destroyed by a pirate attack led by Henry Morgan. The ruins include old churches, government buildings, and houses. Visitors can also see the remains of the original city walls and the Cathedral Tower. The site offers beautiful views of the city and its surroundings.

2. Panamá Viejo is open daily from 8:30 am to 4:30 pm. The phone number for the site is +507 226-8915.

3. The ticket price for Panamá Viejo is $15 USD for non-residents and $5 USD for locals. The site is accessible by taxi or car, and there is ample parking available on-site. Public transportation is also available, and visitors can take the Metrobus to the Panamá Viejo stop.