Riordan Mansion State Historic Park is a popular destination located in Flagstaff, Arizona. The park is known for its beautiful architecture, which was designed by Charles and George Riordan in the early 1900s. The Riordan brothers were wealthy lumber barons who built the mansion as their family home.

Visitors to the park can take guided tours of the mansion and learn about the history of the Riordan family and their contributions to the lumber industry in Arizona. The mansion features original Tiffany stained glass windows, handcrafted furniture, and other unique artifacts.

In addition to the mansion, the park offers hiking trails, picnic areas, and a gift shop with souvenirs and books about the history of the area. The park is also a popular spot for weddings and other special events.

One interesting fact about the park is that it was almost demolished in the 1960s, but was saved by a group of local residents who recognized its historical significance. Today, the park is maintained by the Arizona State Parks and Trails department and is open to the public year-round.

The best time of year to visit Riordan Mansion State Historic Park is in the spring or fall, when the weather is mild and the park is less crowded than in the summer months. Visitors should also be aware that the park is closed on Mondays and Tuesdays, and that guided tours of the mansion are available on a first-come, first-served basis.