A walking tour is a tour of a historical or cultural site undertaken on foot, frequently in an urban setting. Short tours can last under an hour, while longer ones can take in multiple sites and last a full day or more. A walk can be led by a tour guide, as an escort.
A Grand Tour was "a long tour of major cities" undertaken in Europe in the 17th through 19th centuries, as part of a wealthy young man's education, and involved visits to cities, historic and cultural sites, with pedestrian activity confined to these cities or sites.
A pilgrimage is a religious journey traditionally taken on foot, to a location of significance to the walker's faith. Only a minority of contemporary pilgrimages are on foot. Chaucer's 14th-century narrative poem Canterbury Tales certainly indicates that a pilgrimage can involve pleasure.
To understand this pleasure Millions of Muslims from across the world have gathered in Iraq’s holy city of Karbala to commemorate Arba’een, the 40th day after the martyrdom anniversary of Imam Hussein, the third Shia Imam after walking a long path . Furthermore there is a lot of free foods and drinks there and people are very enjoy to walking in this path 
There are also similarities between walking tours that involve long hikes and backpacking, while non-pedestrian backpacking is a kind of modern, inexpensive Grand Tour that makes use of public transport.
Tours of cities and cultural sites
A walking tour is generally distinguished from an escorted tour by its length and the employment of tour guides, and can be under 12 hours, or last for a week or more. They are led by guides that have knowledge of the sites, or the landscape, covered on the tour, and explanations and interpretations of the site can cover a range of subjects, including places with historical, cultural and artistic significance. Walking tours, of various kinds and length, are universally part of the tourism industry, and can be found around the world.
Many walking tours involve a payment to the guide, although some operate on a tip system. The "pay what you want" model started around 2004, and can be found in many countries. The UK-based Guild of Registered Tour has criticised the system for not requiring any training or certification of its guides.
Several cities now have groups that are employing dramatic spectacle to add interest to their tours. Usually guided by actors in costume playing a role, these walking tours create the feel of living history as guests walk in the footsteps of those who came before them. These tours, which blend history and dramatic narrative, share "history in a non-academic, very accessible fashion."
These tours are similar in nature to promenade theatre. Although the theatrical nature of these tours is similar to museum theatre in that it makes use of first person interpretation, the fact that these tours take place outside of traditional museum settings and requires the audience to move through urban environments makes this style of walking tour a genre of its own.
Self guided tours
Day tours with specific locations
- Boston By Foot (Boston, USA)
- Big Onion Walking Tours (New York City)
- Caminhada Noturna, São Paulo
- Audio tour
- Backpacking (wilderness)
- Backpacking (travel)
- Free Walking Tour
- Heritage trail
- Walking bus
- http://oxforddictionaries.com/view/entry/m_en_us1304940#m_en_us1304940 Oxford Dictionary 1
- The Canadian Oxford Dictionary (1998), and New Oxford American Dictionary.
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