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4 week Discovery Tours and Trips

See the best 4 week Discovery tours. There are 253 tours, in as many as 101 different destinations, including Germany and Puerto Rico.

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The Discovery Sale

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The Discovery Sale starts on Friday 18th of May 2018 at 9:00AM in Brisbane AEST and ends on Wednesday 23rd of May 2018 at 11:59PM in San Francisco PDT. Unlock this saving with your personal email address and full name. Once unlocked, the saving will be applied automatically to all applicable tour listings and your booking upon check-out. All tours from Butterfield & Robinson, Europamundo, Exodus, Expat Explore, Intrepid Travel, Hiking New Zealand, Geckos, Oku Japan, Peregrine, Stray Asia, Stray Travel, The Dragon Trip, Wilderness Ireland, Oasis Overland and Wilderness Scotland are excluded from this extra discounted offer. Moreover, bookings made in USD or CAD for tours operated by Avalon Waterways, Cosmos, Globus, Monograms, as well as tours booked in USD operated by Contiki, Trafalgar, Insight Vacations, Luxury Gold, U by Uniworld & Uniworld, tours booked in NZD and EUR operated by Collette and tours booked in AUD, GBP, EUR and NZD operated by Intrepid, Geckos and Peregrine are excluded from this discounted offer. Current sale pricing, promotional codes and other special offers cannot be applied toward prior purchases. Discounts can be applied on top of participating Operators discounts, but cannot be combined with any existing TourRadar discounts (Friends with Benefits, Traveller's Credits, other TourRadar Promo codes). Refunds on item(s) purchased during a sale will be calculated based on the total basket value of the item(s) kept and any discount associated with the revised total amount. TourRadar reserves the right to terminate the advertised sale without notice. For full terms and conditions, please see here.

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250+ 4 week Discovery trips

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4 week Discovery Tours and Trips Reviews

  • "This trip was amazing!! On a scale of 1-5, it would definitely be rated at a 10!..."
    Spirit of Europe
  • "This tour was absolutely fantastic! It's a great "taster" tour of Europe. I chose..."
    Winter Spirit
  • "This was by far an amazing trip to do and a great way to see Europe over 25 days...."
    European Escapade (25 Days)
  • "Chris was a great guide. He connected well with everyone and was a relaxing person...."
    European Vista (22 Days)
  • "This was my first ever trip overseas by myself and I am so happy I went with Intrepid..."
    Cambodia & Vietnam Experience
  • "Amazing experience would definitely recommend to everyone made loads of new friends..."
    Vietnam, Laos & Thailand on a Shoestring