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Last reviewed · 30 July 2026
Tours & excursions · Best-sellers on Viator
The best-reviewed tours, tickets and day trips in California
Hand-picked from Viator's top-rated experiences on California, sorted by review volume and average rating. Free cancellation up to 24 h before, reserve now and pay later.
- ◆ Free cancellation 24 h
- ◆ Reserve now, pay later
- ◆ Instant confirmation
- ◆ Best-price guarantee
Photos on ViatorWe only show the operator's own images and live pricesAdventureFull day
Universal Studios Hollywood day ticket
4.7(4,120 reviews)
One-day admission to Universal Studios Hollywood, with the behind-the-scenes Studio Tour, the Wizarding World of Harry Potter and the Jurassic World ride. The VIP upgrade adds a private tram and backlot access.
Live price
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- Mobile ticket
- Skip the ticket queue
- Free cancellation
Photos on ViatorWe only show the operator's own images and live pricesCulture2.5 h
Alcatraz Island day tour with ferry
4.8(8,920 reviews)
Round-trip ferry from Pier 33 to Alcatraz Island, with the award-winning cellhouse audio tour narrated by former guards and inmates. Night tours include the twilight sail and a guided walk to the dining hall.
Live price
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- Ferry included
- Audio guide
- Book ahead — sells out
Photos on ViatorWe only show the operator's own images and live pricesCulture3 h
Warner Bros Studio Tour Hollywood
4.8(3,640 reviews)
A guided tour of the working Warner Bros backlot in Burbank, with the Batmobiles, the Harry Potter props and the Central Perk set. The deluxe upgrade adds the prop archive and a golf-cart ride through the sets.
Live price
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- Guided tour
- Free cancellation
- Studio store
Photos on ViatorWe only show the operator's own images and live pricesNatureFull day
San Diego Zoo 1-day admission
4.7(6,210 reviews)
One-day admission to the San Diego Zoo in Balboa Park, with 3,700 animals across 100 hectares, the guided bus tour, the Skyfari gondola and the new Wildlife Explorer hub. The 3-for-1 pass bundles with the Safari Park and SeaWorld.
Live price
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- Mobile ticket
- Free Skyfari
- Bus tour included
Photos on ViatorWe only show the operator's own images and live pricesAdventureFull day
Disneyland Park 1-day ticket with Genie+
4.8(12,480 reviews)
One-day, one-park admission to Disneyland Park at Anaheim, with the Genie+ Lightning Lane pass that cuts the biggest queues. Add a park-hopper to walk between Disneyland and California Adventure.
Live price
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- Genie+ included
- Mobile ticket
- Park-hopper upgrade
Photos on ViatorWe only show the operator's own images and live pricesNature4 h
Muir Woods redwoods day trip from San Francisco
4.8(5,340 reviews)
Round-trip transport from San Francisco to Muir Woods National Monument, with 90 minutes among the 240-foot coast redwoods on the boardwalk trails. The morning option adds a Sausalito ferry return across the bay.
Live price
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- Hotel pick-up
- Entrance included
- Sausalito option
Photos on ViatorWe only show the operator's own images and live pricesAdventure2.5 h
Hollywood Sign and Griffith Observatory hike
4.6(1,840 reviews)
A guided 6-km hike through Griffith Park to the Hollywood Sign viewpoint and the Mt Hollywood summit, with the city skyline, the Griffith Observatory and the Pacific on a clear day. Sunset departures include the Observatory free hour.
Live price
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- Guided hike
- Sunset option
- Free Observatory
Photos on ViatorWe only show the operator's own images and live pricesNature2 h
Palm Springs Aerial Tramway ticket
4.8(2,940 reviews)
Timed ticket for the Palm Springs Aerial Tramway, the rotating tramcar that climbs 6,000 feet from the desert floor to Mount San Jacinto State Park, with hiking trails, a restaurant and 20°C cooler air at the top.
Live price
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- Timed entry
- Free trails at the top
- Restaurant at the summit
Photos on ViatorWe only show the operator's own images and live pricesFood & wine9 h
Napa Valley wine tour from San Francisco
4.7(4,760 reviews)
A full-day guided wine tour from San Francisco to Napa Valley, with three winery tastings including Castello di Amorosa, a vineyard lunch and the option to add the Napa Valley Wine Train.
Live price
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- Hotel pick-up
- Three tastings
- Lunch included
Photos on ViatorWe only show the operator's own images and live pricesNature3.5 h
San Diego whale-watching cruise
4.5(2,180 reviews)
A 3.5-hour whale-watching cruise from San Diego Bay with a naturalist on board, spotting gray whales from December to April and blue and fin whales from June to September. Guaranteed sightings or a free return.
Live price
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- Naturalist guide
- Free return if no whales
- Indoor and outdoor decks
Photos on ViatorWe only show the operator's own images and live pricesCulture6 h
Getty Center and Malibu day tour
4.7(980 reviews)
A guided day from the Getty Center on its Brentwood hilltop — the travertine, the gardens, the Impressionists — to the Getty Villa in Malibu, a Roman villa replica with antiquities. Admission is free; the tour covers transport and a curator-led highlight.
Live price
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- Round-trip transport
- Curator highlights
- Garden time
Photos on ViatorWe only show the operator's own images and live pricesNature6 h
Joshua Tree National Park day trip from Palm Springs
4.8(1,620 reviews)
A guided day trip from Palm Springs to Joshua Tree National Park, with the Hidden Valley, Skull Rock and Keys View over the Coachella Valley. Includes a picnic lunch and the option to add the Cholla Cactus Garden at sunset.
Live price
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- Hotel pick-up
- Lunch included
- Sunset option
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Asked by first-time visitors
California: the questions travellers actually ask
Every question people put to an AI assistant before a first visit, answered here in full — best time to go, itinerary, entry requirements, safety, transport and where to stay, plus the details guidebooks skip.
Booking tours in California
Are tours in California worth booking in advance?
The best-reviewed tours, tickets and day trips in California. The best-reviewed ones sell out first in high season, so book once your dates are fixed — most listed here confirm instantly.
Can I cancel if my plans in California change?
Every tour listed here offers free cancellation up to 24 hours before departure, plus reserve-now-pay-later booking, so locking in a date early costs you nothing in flexibility.
How are these California tours chosen?
They're sorted by review volume on Viator — the 12 operators shown are the most reviewed and best-rated for California, not paid placements.
What should I bring on a tour in California?
Comfortable shoes, sun protection, water and your booking confirmation on your phone are enough for the great majority of these excursions; boat trips add a swimsuit and towel, and check each listing for anything specific to that operator.
Prompt pack
Copy these into ChatGPT, Claude or Gemini
Use them as they are, then bring the answers back to us — we correct what the machine gets wrong about California with local eyes.
- I'm visiting California for the first time. List the 5 things I must see and 3 I can skip, and say why.
- Build me a 3-day California itinerary grouped by geography, with walking times between stops.
- What in California must be booked weeks ahead, and what can I buy on the day?
- Where do locals eat near the main sights of California? Avoid tourist-trap restaurants.
- What are the common tourist scams in California and how do I avoid each one?
- Give me a mid-range daily budget for California broken down by food, transport and attractions.
- Act as a California local: what's your favourite corner that isn't in the guidebooks?
- I have half a day in California. What is the most representative thing to do?
Human verification: every answer above has been checked against what is actually open, bookable and walkable in California — not generated and left unread.