With 28 centuries of celebrated history, Rome holds the edge when it comes to unrivalled adventures. The city that sparked the world’s largest empire is very much alive today with a jumble of ancient ruins, world-renowned art and vivacious street culture. Here you can live 'la dolce vita', recalling the glory days of Ancient Rome and twirling forks full of pasta in a trattoria. Ride past centuries-old basilicas in a three-wheeled Ape Calessino, or stand in awe of paintings by Italian masters at Villa Borghese. Whether it’s Vatican City’s spiritual allure, Trastevere’s backstreet charms or the Colosseum’s embattled legacy – The Eternal City endures with endless adventures.

It’s easy to see why Barcelona is the most-visited city in Spain. As the capital of the country’s Catalonia region, this cityscape’s cultural mosaic pieces together a 2,000-year-old hodge-podge of sun-drenched beaches, cutting edge architecture and a world-renowned dining and drinking scene. Catalan architect Antoni Gaudi left his modernist handprint all over the city, while medieval treasures linger in historic Gothic Quarter squares. Get lost in the whimsical gardens of Park Guell or savour a chef-led Catalan cooking class. Browse art collections dedicated to Picasso and Miro – or ride a cable car to the top of Montjuic Hill, relishing citywide views along the way.

Cartagena greets you with its ancient Mediterranean port on Spain's southeastern coast. Originally governed by the Carthaginians and subsequently by the Romans, Arabs and Castilians, this pedestrian-friendly city is a history buff's dream port. Visit the 2,000-year-old Roman Theatre and the attached museum, where you'll find an ancient altar to Jupiter and a statue of Apollo. Then, check out the late 19th-century modernist architecture of Cartagena's historic center. Cruises to Cartagena, Spain allow you to stroll down blue-marble-tiled pedestrian-only Calle Mayor. Or take the 30-minute drive to the Batteria de Castillitos, a medieval-style fortress situated among the picturesque mountain landscape.

The hub of Spain's southern Costa del Sol, Málaga is the picture of paradise. Scale the hilltop to dramatic La Alcazaba, the sandy-colored Moorish fortress dating back to the 11th century that overlooks this ancient seaside city. Sun yourself on the idyllic beaches of Caleta and Malagueta, taking in views of the mountains across the bay. See the eccentric works of modernist master Pablo Picasso, the city's most famous native son, at the Picasso Museum. Cruise to Málaga and immerse yourself in baroque and renaissance architecture at Málaga Cathedral, with its elaborate arches and stone reliefs depicting the saints, or turn the clock back to the first century A.D. at the ruins of the Roman Theatre.

Nicknamed the Green Island, Ponta Delgada is full of lush natural wonders, 16th-century architecture and mini-expeditions. When you arrive at the Azorean capital, situated on the south coast of the island Sao Miguel, wander around the old town to snap photos of monuments that cover postcards, traditional Portuguese churches and old forts. Venture further out of the city to take in the stunning views of Lagoa das Sete Cidades, a pair of lakes nestled in the crater of a dormant volcano. Or embark on an afternoon on the water to catch sight of the whales and dolphins that gather in the sea.