Holidaymakers looking for an internal boost could do worse than immersing themselves in a riot of colour.
Research has shown that certain vibrant colours can trigger particular emotional responses in people, and that being around bright colours can be an instant mood booster.
In clothing, interiors, landscape, and even natural light, a colour can change your mood from sad to happy, from confused to alert, and from fearful to brimming with confidence.
It may therefore be the case that people looking for an emotional pick-me-up may be wise to travel to somewhere colourful.
According to Unforgettable Croatia, people are doing just this by taking part in 'dopamine travel'.
The travel company studied Tripadvisor reviews which mention the word 'colourful' to find compile a list of the places with the highest potential of triggering a dopamine boost.
Here are the ten most colourful places in the world according to its research.
Nyhavn, Denmark - 2755 reviews
The sight of Nyhavn will be instantly recognisable for anyone who has visit Copenhagen and remains a favourite drinking spot for locals - not to mention it's one of our top picks of the best places to visit in Denmark.
A row of brightly coloured houses runs along the water front, made even more vibrant when the evening sun bounces down off the water.
The docks also have a colourful history as a place where ships from across the world would dock, bringing with them sailors visiting its pubs, alehouses and ladies of pleasure.
The picturesque houses on the sunny side of Nyhavn are more than 350 years old.
Chihuly Garden and Glass, United States of America - 1287 reviews
The exhibit sits in the Seattle Centre - next to the city's iconic space needle at the former site of the defunct Fun Forest amusement park.
Inside is a 100-foot-long installation of a Glasshouse which was blown by the famous artist who gives the centre its name, Dale Chihuly.
His enormous works have an almost deep-sea creature feel about them and transport visitors to another, slightly wild world.
Tickets to the centre, which is open from 10am daily, as well as art works can be bought here for the equivalent of between £17 and £27.
Hoi An Ancient Town, Vietnam - 1,105 reviews
The town is an exceptionally well-preserved example of a South-East Asian trading port dating from the 15th to the 19th century.
The unique heritage site show influences from Vietnam and further afield, coming together to produce a unique public space.
In the evenings the lights from the yellow painted buildings and orange sun reflect off the water in a captivating way.
Thanks to an Unesco decree, more than 800 buildings have been preserved, meaning the village looks much like it did several centuries ago.
Park Guell, Spain - 865 reviews
Park Güell is an enormous garden with stunning and distinct architectural elements designed by the renowned Catalan architect, Antoni Gaudí.
The park is named after Eusebi Güell, a rich entrepreneur and count that had a great passion for Gaudí's work and who became his patron.
The entire Park Guell is free all day long except the Monumental Zone, which is home to some of the most iconic Gaudí statues.
Tickets can be bought here for the equivalent of £9.
Bo-kaap, South Africa - 767 reviews
The Bo-Kaap is an area of Cape Town was once known as the Malay Quarter and is a former racially segregated area, playing host to the iconic Nurul Islam Mosque.
After apartheid ended, residents painted their houses in bright colours as a celebration of their freedom from Apartheid.
Today, from a stand back perspective, the neighbourhood looks like a town made out of sugar icing.
The area is generally safe for tourists to visit and is a a five-minute walk from the city centre, and a 10-minute drive from the V&A Waterfront.
Jardin Majorelle, Morocco - 766 reviews
The Majorelle Garden in Marrakech that was created by the French Orientalist artist Jacques Majorelle over almost forty years.
The central building is a deep, almost unnatural looking blue colour that serves as a striking backdrop for the many cacti that dot the orange earth of the garden.
The garden and villa were rediscovered in the 1980s, by fashion designers, Yves Saint-Laurent and Pierre Bergé who set about restoring it and saving it after it was sold and fell into disrepair in the 50s.
Tickets should be bough t a day in advance, with opening times running from 8am to 6pm, and cost around £6.
Church of the Saviour on Spilled Blood, Russia - 578 reviews
Arguably one of if not the most iconic churches in the world, the building has become synonymous with high Russian art and St Petersburg.
It is said to mark the spot where Alexander II was fatally wounded in an assassination attempt on March 1, 1881.
The church is better known to tourists as looking like its topped with highly colourful, decorated onions.
It contains more than 7,500 square meters of mosaics, which is more than any other church in the world.
Tickets can be bought on the door and cost about £4.
Park and National Palace of Pena, Portugal - 558 reviews
The park and palace are the renowned jewel in the crown of the Sintra Hills.
Its nooks and corners allows guests to get lost and become enchanted by a building which stands as a shining beacon that can be seen from the Portuguese capital.
It is a national monument and constitutes one of the major expressions of 19th-century Romanticism in the world.
Tickets can be bought here for about £12.
Dubai Miracle Garden, United Arab Emirates - 552 reviews
The garden was launched on Valentine's Day in 2013 and now occupies more than 72,000 square metres, making it the world's largest natural flower garden.
It is home to over 50 million flowers and 250 million plants.
The garden, which won the Moselle Award for New Garden Experiences of the year in 2015, took 400 workers two months to build.
It costs about £10 to enter per person, with tickets found here for £10.
La Boca, Argentina - 511 reviews
La Boca is a working-class area near the Riachuelo River which is renowned for its steakhouses and street artists.
At its centre is the Caminito, a narrow alley flanked by brightly painted zinc shacks that becomes a cauldron of noise when football team Boca Juniors play.
Argentine artist Benito Quinquela Martín painted the then abandoned streets pastel colours in the 1950s, and encourage the installation of a stage in the 60s.
The street has been immortalised by a tango song of the same name written by Juan de Dios Filiberto.
