Bolivia, Potosi Department, Daniel Campos Province, White Toyota Landcruiser on the Salar de Uyuni, the largest salt flat in the world at sunset.

Safari vehicle on a game drive at dusk in the Ndutu region of the Serengeti National Park, Tanzania.

Malawi, Thyolo. Camping overland style with a roof tent fitted to a safari landrover beneath majestic Acacia abyssinica trees at a tea plantation. (MR)

Road along the Debed River in the Debed Canyon, Tumanyan, Lori Province, Armenia

Jordan, Aqaba Governorate, Wadi Rum. Wadi Rum Protected Area, UNESCO World Heritage Site. A bedouin man sits on the hood of his four wheel drive truck.

Jordan, Aqaba Governorate, Wadi Rum. Wadi Rum Protected Area, UNESCO World Heritage Site. A four wheel drive truck passes through the desert.

Four wheel drive dune bashing in the Sharjah Desert Dunes at sunset, Sharjah, United Arab Emirates.

Middle East, Oman. Expedition vehicles and camp in The Empty Quarter or Ar Rub al Khali.

Cheetah sitting on safari vehicle, Serengeti, Tanzania

Zambia, Eastern Zambia, South Luangwa. A tourist safari vehicle crosses the Luangwa River on a manually operated ferry.

Bolivia, Potosi Department, Daniel Campos Province, White Toyota Landcruiser on the Salar de Uyuni, the largest salt flat in the world at sunset.

Bolivia, Potosi Department, Daniel Campos Province, White Toyota Landcruiser and the people observing full moon on the Salar de Uyuni, the largest salt flat in the world at sunset.

Bolivia, Potosi Department, Daniel Campos Province, White Toyota Landcruiser on the Salar de Uyuni, the largest salt flat in the world at sunset.

Bolivia, Potosi Department, Daniel Campos Province, White Toyota Landcruiser on the Salar de Uyuni, the largest salt flat in the world at sunset.

Off-road vehicle with a rooftent, sunset in the camp of the 'White Lady Lodge' at Mt Brandberg, Namibia, Africa

Toyota jeep on a desert road in the Mandara valley, Ubari Sand Sea, Sahara, Libya, Africa

Off-road vehicle driving towards the sunset on a steep slope in the sand dunes of the Erg Muzuruq, Sahara, Libya, Africa

Four wheel drive cars on the Salar de Uyuni, Potosi, Bolivia

Rhinoceros (Rhinocerotidae), young crossing a dirt track, Kaziranga National Park, Assam, northeast India, India

Niger, Agadez, Sahara Desert, Tenere, Kogo. Desert driving on the edge of the vast Tenere Desert.

Kenya, Mara North Conservancy. An early morning game drive through a large herd of buffalo.

Kenya, Meru National Park. A safari vehicle drives around a distinctive Doum Palm.

Kenya, Lewa Conservancy. Silhouetted guests enjoying a sundowner.

Kenya, Meru National Park. A mother and child explore their surroundings. MR.

Kenya, Amboseli National Park. A young tourist is enthralled by a herd of elephant.

Algeria, region of sahara, Sahara, Hoggar, Atakor mountains, four wheel drive vehicle following the track

Truck at night at Apache Spirit Ranch, near Tombstone, Arizona, USA

Cowboy and Truck at Apache Spirit Ranch, Tombstone, Arizona, USA MR

Couple on Jeep in the Wadi Rum, Jordan

Travelling by jeep in the Wadi Rum, Jordan

Malawi, Thyolo. Camping overland style with a roof tent fitted to a safari landrover beneath majestic Acacia abyssinica trees at a tea plantation. (MR)

Malawi, Thyolo. Camping overland style with a roof tent fitted to a safari landrover beneath majestic Acacia abyssinica trees at a tea plantation. (MR)

Malawi, Thyolo. Camping overland style with a roof tent fitted to a safari landrover beneath majestic Acacia abyssinica trees at a tea plantation. (MR)

Malawi, Majete Wildlife Reserve. Family on safari look out across the Shirei River from their safari vehicle whilst on a game drive in Majete. (MR)

Malawi, Majete Wildlife Reserve. Family in their safari vehicle whilst on a game drive in Majete.

Malawi, Majete Wildlife Reserve. Family on safari cross the Mkulumadzi River in their safari vehicle whilst on a game drive in Majete.

Saudi Arabia, Madinah, Al-Ula. Tourists enjoy 4WD excursions in the spectacular wadis and rugged hills that comprise the desert on the edge of Al-Ula.

Tanzania, Tarangire. A road runs underneath the branches of massive baobab trees, for which Tarangire is famous.

Tanzania, Serengeti. A tourist stands on the bonnet of her Land Rover to look at the wildebeest. MR.

Oman, Empty Quarter. Driving through the vast dunes of the Empty Quarter.

North Wales, Snowdonia ; Gilar Farm. A man and woman relax leaning against their landrover whilst out shooting. (MR)

North Wales, Snowdonia ; Gilar Farm. A man relaxes leaning against his landrover whilst out shooting. (MR)

Australia, Northern Territory, Kakadu National Park. A four wheel drive vehicle crosses Jim Jim Creek.

Bolivia, Potosi. 4x4 vehicle in the Salar de Uyuni, the world's largest salt flat at sunrise

Volunteers monitoring Lions, Selati Game Reserve, South Africa

Kenya, Masai Mara Reserve. Tourists on safari sit on top of their vehicle looking out over the savannah at dawn.

Checking the Map, Flinders Ranges, Outback, South Australia, Australia

4x4 'dune-bashing' safari, Sand Dunes, Arabian Desert, Dubai, United Arab Emirates

4x4 'dune-bashing' safari, Sand Dunes, Arabian Desert, Dubai, United Arab Emirates

4x4 'dune-bashing' safari, Sand Dunes, Arabian Desert, Dubai, United Arab Emirates

Namibia, Damaraland, Erongo Region. A young girl, her hair blowing in the wind, leans over the side of a safari vechicle as it drives through grassland on a game track (MR)

A safari guide stands in front of his Land Cruiser at Sesriem campsite. Behind him, tents are set up under a camelthorn tree.

A tourist scans the horizon with binoculars while tracking rhino on the Palmweg concession in Damaraland, Namibia. (MR)

Two 4x4s descend from the escarpment on the approach to Dakhla Oasis in the Western Desert, Egypt

4WD tracks in the black sand of the Farafra to Dakhla caravan route, Western Desert, Egypt

4x4s descend through the escarpment on the approach to Dakhla Oasis in the Western Desert, Egypt

Watching Maasai giraffe on a game drive on a safari holiday.

Looking out from a game-viewing vehicle on a safari holiday

Watching a cheetah on a game drive in the Masai Mara.

Watching Maasai giraffe on a game drive while on a safari holiday.

Safari vehicle crossing the Khwai river bridge

Jordan, Aqaba Governorate, Wadi Rum. Wadi Rum Protected Area, UNESCO World Heritage Site. A four wheel drive truck belonging to a local bedouin guide, parked in the desert.

Oman, Wadi Nakhr, 4 wheel drive vehicles drive through the deep canyon of Wadi Nakhr

Lesotho, Sani Pass. The border with South Africa in the Drakensberg Mountain range. A 4x4 slowly makes it way down the steep incline.

Front view of 4x4 car driving along coastline, Faroe Islands, Denmark

4x4 car driving along road on seashore, Faroe Islands, Denmark

Four wheel drive dune bashing in the Sharjah Desert Dunes at sunset, Sharjah, United Arab Emirates.

Four wheel drive dune bashing in the Sharjah Desert Dunes at sunset, Sharjah, United Arab Emirates.

Four wheel drive dune bashing in the Sharjah Desert Dunes at sunset, Sharjah, United Arab Emirates.

Sandwich Harbor, Namib-Naukluft National Park, Namibia. Off-road vehicle driving on the sand dunes.

Sandwich Harbor, Namib-Naukluft National Park, Namibia. Off-road vehicle driving on the sand dunes.

Kenya, Narok County, Maasai Mara National Reserve. Angela Scott photographing a lioness from the Marsh Pride along Bila Shaka. The lioness had two cubs.

Middle East, Oman. A vehicle heads out into The Empty Quarter or Ar Rub al Khali.

Middle East, Oman. Expedition vehicles in The Empty Quarter or Ar Rub al Khali.

Middle East, Oman. Expedition vehicles in The Empty Quarter or Ar Rub al Khali.

Middle East, Oman. Expedition vehicles in The Empty Quarter or Ar Rub al Khali.

Middle East, Oman. Expedition vehicles in The Empty Quarter or Ar Rub al Khali.