Miami to Buenos Aires

Craggy limestone caves in Viñales, Cuba. Water and wind erode the rugged limestone landscape to create kilometres of underground caverns and tunnels.

Cuban dictator Fulgencio Batista in March 1957, standing next to a map of the Sierra Maestra mountains where Fidel Castro's rebels were hiding in the caves and mountains.

An early geological map of Cuba, published in 1883. The yellow areas are sandstone, which makes up the majority of the island's bedrock.

Typical karst landscape - weathered limestone formations - near Santiago de Cuba. Notice the honeycomb weathering effect left in the rock as it crumbles away.

Calcite deposits in a Cuban cave. These are formed when water rich in minerals runs through the rock and drips through the cave, building up a thin layer of calcite as it falls.

Mogotes in the Viñales Valley. The fertile floor of the valley, covered in tobacco plants, is punctuated by these distinctive, rounded hills.

Rivers run through the base of many of the limestone caves in Cuba. Notice the honeycomb and rugged weathering caused in the rock by the water.

Characteristic weathering in the Viñales Valley, built up by tectonic forces crushing thin layers of limestone into rounded formations, eroded by wind and water.

Entering the Grand Cueva de Santo Tomàs, which stretches for 47 km below the ground. The caves were often used by the military during the Revolution and the Cold War.

Mineral deposits top the El Santo Falls, creating a fan of stone beneath the falling water. Water rich in calcite flows out of the limestone and deposits this beautiful pattern as it falls.

Sunset over the mogote hills of the Viñales Valley - the fading light brings out the characteristic rounded hills created by this kind of weathering.

Heavily vegetated mogotes are still easily spotted by their rounded, often almost conical shape. They are found across Cuba, especially on the floor of the Viñales Valley.

Beautiful stalagmites are found in the limestone caves throughout Cuba, as calcite-filled water drips from the cave roof and leaves a trail of minerals behind it.

The monument to the armoured train crash caused by Ché and Revolutionary rebels in 1958, one of the key turning-points of the revolution.

A statue depicting "Ché and the child of the Revolution" outside the Communist Party headquarters in Santa Clara. The statue is adorned with emblems symbolising Ché's life.

A billboard celebrating Santa Clara's love of their adopted son Ché - "We want to be like Ché!"

The railway is still an important means of transport for Modern Cuba - and Santa Clara remains an important part of the railway network.

The rebel leader Ernesto Guevara - popularly known as Ché - victorious after the battle of Santa Clara in 1958. Rebels assumed power in Havana the next day, 1st January 1959.

Detail of the armoured train crash memorial in Santa Clara, with information about the battle and details of how the rebels defeated the Army and won the Revolution.

Ché Guevara's monument and mausoleum in Santa Clara - with his motto "Hasta la Victoria Siempre" : "Until the Everlasting Victory".

"Guerrillero Heroico" - the original film of Korda's iconic image of Ché Guevara, one of the world's most reproduced and most famous photographs.

The monument commemorating the Battle of Santa Clara on 31st Dec 1985 - Ché and Revolutionary rebels dug up the railway line, de-railing an Army troop carrying train.

A map of the northern section of Cuba's current railway network, which is still an important form of transport for goods and people. Santa Clara is a hub at the centre of the network.

The central railway station in Havana - Cuba was the first Latin American country to build a railway and it was central to transport of goods and people across the island.

Santa Clara's bandstand and central town square, used by locals to promenade and also to celebrate the anniversary of the Battle of Santa Clara and end of the Revolution.

Ché Guevara shortly after the Revolution in 1960. As well as a hero and adopted son of Santa Clara, he became one of the best known and most loved Cuban figures at home and abroad.

A backstreet barber's shop in Zulueta, central Cuba, one of the 178 state-sanctioned businesses which can now be started up as private enterprises.

A watchmaker runs a stall outside his home in Havana. Small businesses such as this have now been sanctioned by the Cuban state, provided they are licenced.

A Cuban lady collecting some of her daily rations at a state-run ration shop in central Havana. These shops provide a rationed amount of essentials to all Cubans.

A street stall in Havana, selling sandwiches and snacks. An increasing number of enterprises such as these are opening now the Government have lifted tight restrictions on private businesses.

A state-subsidised and controlled ration system is still in force in Cuba - ration cards are marked in exchange for daily food and good in shops such as this one.

A local food market, where all items which are not included in the basic ration must be bought, or exchanged for goods or services in the sociolismo philosophy.

A shop-keeper waiting for the daily queue of Cubans with their ration books, which are used to secure the most basic items and are subsidised by the state.

A young man waits for a slice of pizza from the window of a Havana entrepreneur. Essentials like cheese and flour often have to be bought on the black market as they are not readily available.

A Cuban rural scene - villagers selling the small amount of fruit and vegetables they have managed to grow in their gardens to supplement their rationed income.

A Cuban mechanic working along the side of the road in Havana. Many entrepreneurs operated for years without licences but they now have an opportunity to become state sanctioned.

A Cuban mechanic working outside a church in Havana. Since the trade embargo was introduced in 1963, mechanics have reused everything possible to keep Cuban cars on the road.

A Cuban runs an electric repair shop from a room in his house in Havana. Essential service such as this were illegal until relaxation of the laws governing private enterprise in 2010.

Although private enterprise was largely illegal until 2010, many small stalls such as this second-hand bookshop, were set up by Cubans to try and supplement a meagre income.