Nestled along the Trondheim Fjord in central Norway, Trondheim offers a captivating blend of rich history and vibrant modern life. As Norway’s first capital, Trondheim boasts a legacy that includes the striking Nidaros Cathedral, an iconic landmark whose construction began in the 11th century.

Arequipa, known as the "White City," is built from sillar, a pale volcanic stone that glows in the sunlight. This architectural detail gives the historic center its striking appearance and has earned it recognition as a UNESCO World Heritage Site. Towering above the city is the perfectly symmetrical Misti Volcano, which, along with two neighboring peaks, forms a dramatic backdrop.

Oman stands among the oldest independent states in the Arab world, with evidence of human habitation stretching back over 100,000 years. Its capital, Muscat, rises gently against limestone hills with no skyscrapers to interrupt its skyline. Visitors find broad avenues lined with stunning buildings leading to landmarks like the Sultan Qaboos Grand Mosque and the Royal Opera House, both offering glimpses into Omani artistry and modern elegance.

Potsdam, the capital of Germany’s Brandenburg state, lies just southwest of Berlin and is best known for its grand palaces, landscaped gardens, and role as a seat of Prussian royalty.

Must-sees in Seville include the landmark palace Royal Alcázar of Seville, the Gothic, bell-towered Catedral de Sevilla, and Plaza de España, an architectural marvel with Moorish, Baroque and Renaissance influences. Meanwhile, Museo del Baile Flamenco is the place to learn about flamenco dancing culture.