Santa Cruz de Tenerife is a port city on the island of Tenerife, in Spain’s Canary Islands. Well-preserved buildings in its old town include the colonial Church of the Immaculate Conception. The 1700s Palacio de Carta has baroque and neoclassical features. In the Old Civil Hospital, the Museum of Nature and Man has interactive displays on the islands. The city’s squares include the central Plaza de España.

Las Palmas is a capital of Gran Canaria, one of Spain’s Canary Islands off northwestern Africa. A major cruise-ship port, the city is known for duty-free shopping and for its sandy beaches. At Playa de Las Canteras, a coral barrier lines the beach and shelters swimmers. The annual Las Palmas de Gran Canaria carnival brings together flamboyantly costumed performers, music and dancing.

Arrecife is a port city on the east coast of Lanzarote, one of Spain’s Canary Islands. In the old quarter, the 17th-century San Ginés Church has a bell tower and a Mudéjar-style ceiling. The Agustín De La Hoz mansion now houses a cultural center. Playa del Reducto beach has golden sand and calm waters. The International Museum of Contemporary Art displays abstract works in San José Castle, an 18th-century fortress.

Cádiz is an ancient port city in the Andalucia region of southwestern Spain. The home of the Spanish Navy, the port boomed in the 16th-century as a base for exploration and trade. It has more than 100 watchtowers, including the iconic Torre Tavira, which was traditionally used for spotting ships. On the waterfront is the domed, 18th-century Cádiz Cathedral, featuring baroque and neoclassical elements.

Gibraltar is a British Overseas Territory and headland, on Spain’s south coast. It’s dominated by the Rock of Gibraltar, a 426m-high limestone ridge. First settled by the Moors in the Middle Ages and later ruled by Spain, the outpost was ceded to the British in 1713. Layers of fortifications include the remains of a 14th-century Moorish Castle and the 18th century Great Siege Tunnels, which were expanded in WWII.

Vigo is a city on Spain’s northwest coast. The mouth of the nearby Vigo Estuary is sheltered by the Cíes Islands, which form part of the Atlantic Islands National Park. The Cíes are known for their rich birdlife and crescent-shaped Rodas Beach. The city’s old quarter is home to the neoclassical Church of Santa María. The Castro de Vigo archaeological site has reconstructed ancient dwellings.

London, the capital of England and the United Kingdom, is a 21st-century city with history stretching back to Roman times. At its centre stand the imposing Houses of Parliament, the iconic ‘Big Ben’ clock tower and Westminster Abbey, site of British monarch coronations. Across the Thames River, the London Eye observation wheel provides panoramic views of the South Bank cultural complex, and the entire city.