1. Rosslyn Chapel is a medieval chapel located in the village of Roslin, just outside the city of Edinburgh. It was built in the 15th century by Sir William St. Clair as a place of worship for his family and followers. The chapel is known for its intricate carvings and mysterious symbolism, which includes depictions of green men, unicorns, and the famous apprentice pillar. Some believe that it holds the secret of the Holy Grail or the Knights Templar. Visitors are allowed to explore the chapel, but photography is not allowed inside.

2. The chapel is open daily from 9:30am to 5pm, except on Christmas Day and New Year’s Day. The phone number for Rosslyn Chapel is +44 131 440 2159.

3. Tickets can be purchased at the door or online. Admission for adults is £9 (approximately $12), and children under 18 get in for free when accompanied by an adult. Guided tours are available for a small additional fee. The chapel is located about 7 miles south of Edinburgh and can be reached by car or public transportation. Bus services run between Edinburgh and Roslin, and parking is available at the chapel for a small fee.