Come in summer -- for a day walk, week walk or to finish the whole lot (about eight weeks) -- and you might see the benign fin of a basking shark cruise by the shore.

BBC: Walking Great Britain��s great coast

While it's still not possible to walk into your local Chevy dealer and fly out with a vertical take-off and landing (VTOL) Camaro that drives through all three dimensions, there are engineers across the world dedicating their lives to making the dream possible.

CNN: The story

Shortly after registering, Spark "woggers" (runners who walk) began sending her instant messages, motivating her to join a real-life running club to work on her foot.

CNN: Virtual meetups spark real fitness

Further east more dramatic cliffs beckon: the day walk (12km) from Alfriston to Eastbourne rollercoasters over the Seven Sisters, a series of chalk-white, up-down cliffs that would make Dame Vera Lynn burst into song.

BBC: Walking Great Britain��s great coast

An easy walk (there is also a four-line subway system for farther destinations) will take you from India to Italy, with a stop in Malta on the way.

BBC: This is Toronto Week

Bleak grey terraces have sprouted gardens, and music and markets enhance a new riverside walk from Vauxhall to Tate Modern (where a rather unpleasant 20-foot anatomical sculpture by Damien Hirst now greets visitors approaching the museum).

ECONOMIST: London��s public spaces have got better, but not good enough