1. The Cathedral of Learning, located on the campus of the University of Pittsburgh in Pittsburgh, Pennsylvania, is an iconic Gothic Revival skyscraper that serves as the centerpiece of the university. Standing at 535 feet tall, it is the tallest educational building in the Western Hemisphere and the second tallest university building in the world.

The Cathedral of Learning is known for its stunning architecture, featuring intricate stone carvings, stained glass windows, and gothic arches. The building houses 29 Nationality Rooms, each designed to represent a different culture or ethnicity, showcasing beautiful craftsmanship and cultural heritage. Visitors can take guided tours to explore these unique rooms and learn about the history and traditions of the various cultures represented.

2. The Cathedral of Learning is generally open to the public during regular business hours, but it is recommended to check the official website or contact the University of Pittsburgh for specific visiting hours. The phone number for the university is (412) 624-4141.

3. Admission to the Cathedral of Learning is free for visitors, with the option to take guided tours of the Nationality Rooms for a small fee. Public transportation is readily available in Pittsburgh, including buses and the Pittsburgh Light Rail system, which provide convenient access to the university campus. Parking may be available on campus or in nearby garages for a fee.