For a proper introduction to the art of foraging, consider joining a guided walk or workshop.

BBC: The art of urban foraging

In 2009, places on a guided walk at a wartime underground fuel depot at Inchindown, near Invergordon, were booked out within hours.

BBC: Excavation at High Pasture Cave

Around 3, 000 people have taken part in a guided walk to the Isle of Man's Tower of Refuge in aid of the Royal National Lifeboat Institution.

BBC: Tower of Refuge walk 'attracts thousands'

One thousand people have signed up for a guided walk to the Tower of Refuge in aid of the RNLI, according to the Douglas Development Partnership (DDP).

BBC: 'One thousand' people sign up for Tower of Refuge walk

The one-hour, guided walk moves through a candy-coloured maze of equipment as a Theo employee explains how the company sources its cocoa beans and what their techniques are for turning them into chocolate.

BBC: Seattle's chocolate renaissance

The 140-pound mop of a white, corded coat will walk the Westminster ring on Tuesday morning, guided by expert handler Ernesto Lara.

WSJ: Damaged by Sandy, dog owners head to Westminster

The favored mode of exploration is the guided walk: Lemarti or his Samburu cohort Boniface, armed with only a spear, leads visitors on journeys that can last from two hours to five days.

FORBES: Escapes