7-Day Adventure Itinerary for Alhambra, California

• Day 1: Start your day with a hike to the Eaton Canyon Falls. Next, head over to the Pasadena Roving Archers for an archery experience. End the day with a horseback ride through the San Gabriel Mountains.
• Day 2: Visit the Griffith Observatory for a chance to learn about space and see stunning views of Los Angeles. Spend the afternoon hiking the Hollywood Hills and visit the Runyon Canyon Park.
• Day 3: Start the day with a challenging hike in the Angeles National Forest. Head over to Universal Studios Hollywood to enjoy the theme park and experience movie making magic.
• Day 4: Visit the Los Angeles County Museum of Art to see art pieces from around the world. Follow this with a biking adventure at the Marina Del Rey.
• Day 5: Visit the Norton Simon Museum to see the inspiring art collection. Experience the thrill of skydiving in iFly Hollywood. End your day with a visit to the Queen Mary Seaport.
• Day 6: Take a scenic drive towards the Joshua Tree National Park. Spend your day hiking and horseback riding with an experienced tour guide.
• Day 7: Visit the California Science Center to experience hands-on science exhibits. Head over to the Santa Monica Pier to enjoy the amusement park and beautiful views.

Time and Cost Estimates:

• Eaton Canyon Falls (3-4 hours, Free)
• Pasadena Roving Archers (1-2 hours, $25-$30)
• San Gabriel Mountains Horseback (2-3 hours, $70-$110)
• Griffith Observatory (2-4 hours, Free)
• Runyon Canyon Park (2-3 hours, Free)
• Universal Studios Hollywood (4-6 hours, $109-$139)
• Angeles National Forest (4-5 hours, Free)
• Los Angeles County Museum of Art (2-3 hours, $15-$25)
• Marina Del Rey Biking (1-2 hours, $25-$40)
• Norton Simon Museum (2-3 hours, $12-$15)
• iFly Hollywood (1-2 hours, $85-$100)
• Queen Mary Seaport (2-4 hours, $20-$25)
• Joshua Tree National Park (8-10 hours, $150-$200)
• California Science Center (3-4 hours, Free)
• Santa Monica Pier (3-4 hours, Free)
• Total Estimated Costs: $531-$854

Transportation:

For the best experience, it's recommended to rent a car to travel from Alhambra to the various locations, as some destinations can have limited public transport options. Taxis and ride-sharing alternatives like Uber and Lyft are readily available for shorter trips. For longer or out-of-state travels, flights from Los Angeles International Airport (LAX) and Bob Hope Airport (BUR) are options.

Useful Tips:

If you have more time, consider visiting the Santa Barbara County Courthouse or the Malibu Creek State Park. If you have less time, you can skip some of the destinations or choose shorter tours. It is also recommended to check the weather ahead of time and pack appropriate clothes and gear.

Airports:

The nearest airport to Alhambra, California is the Los Angeles International Airport (LAX), which is approximately 30 minutes away. Other airports include Bob Hope Airport (BUR), which is about 30 minutes and John Wayne Airport (SNA), which is about an hour away.