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Mystery Castle: A Phoenix Enigma

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Explore the Mystery Castle in Phoenix: A whimsical, hand-built castle with 18 rooms, folk art, and a captivating story of love and resourcefulness.

Mystery Castle, nestled in the foothills of South Mountain Park in Phoenix, Arizona, is an eccentric and whimsical castle built in the 1930s by Boyce Luther Gulley for his daughter, Mary Lou. Constructed from found and inexpensive materials, the 18-room castle is a testament to one man's love and creativity.

A brief summary to Mystery Castle

  • 800 E Mineral Rd, Phoenix, South Mountain Village, Arizona, 85042, US
  • Click to display

Local tips

  • Tours are typically available from October to May, but it's best to check the official website for current hours and availability.
  • The castle is not wheelchair accessible due to the uneven surfaces and steep stairs.
  • Bring cash for the tour, as credit cards may not be accepted.
  • Keep an eye out for the artistic petroglyphs carved into the walls.
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Getting There

  • Driving

    From downtown Phoenix, head south on 7th Street for several miles. Approximately two miles south of Baseline Road, you'll encounter a roundabout. Circle the roundabout to head east (left) onto Mineral Road. The road will lead directly to the Mystery Castle's parking area. Parking is free.

  • Public Transport

    Valley Metro bus routes serve the area near South Mountain Park. From the nearest bus stop, a short walk through a residential neighborhood and along park trails will lead you to the Mystery Castle. Check Valley Metro's website for the most up-to-date bus schedules and routes. A one-way fare is $2.00.

Discover more about Mystery Castle

Mystery Castle stands as a unique landmark in Phoenix, Arizona, a testament to a father's love and ingenuity. Built by Boyce Luther Gulley in the 1930s and 1940s, the castle is located in the foothills of South Mountain Park. Gulley, upon learning he had tuberculosis, moved from Seattle to Phoenix with the dream of creating a permanent castle for his daughter, Mary Lou, reminiscent of their sandcastle-building days. Constructed without formal architectural plans, permits, or training, Gulley used salvaged materials, including stone, adobe, automobile parts, and other discarded items, to erect the three-story, 18-room structure. The castle features 13 fireplaces, a chapel, a dungeon, and folk art embellishments, reflecting Gulley's resourcefulness and artistic vision. Electricity and plumbing weren't added until 1992. After Gulley's death in 1945, Mary Lou and her mother, Frances, moved into the Mystery Castle. In 1948, a feature in Life Magazine brought national attention to the castle, solidifying its name and reputation. Mary Lou and Frances began offering tours to the public, sharing the castle's story and its many eccentric details. Mary Lou continued to live in the castle and give tours until her death in 2010. Today, the Mystery Castle is maintained by the Mystery Castle Foundation, a non-profit organization dedicated to preserving this unique piece of Arizona history. Although tours have been suspended at times due to vandalism and other issues, the castle remains a Phoenix Point of Pride, drawing visitors with its quirky charm and captivating story.
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