In Edinburgh, an ancient fortress looms, the hills are steep, and travelers delight in the hidden charms of the Old Town and New Town. Hike to find spectacular views on Arthur's Seat, shop the downhill streets of the Royal Mile, and visit Edinburgh Castle, an imposing royal fortress that defines this city's skyline.

Farther from a continental landfall than any other group of islands on earth, the twelve Marquesas jut out of the open Pacific just south of the equator, shrouded in a constant cloud cover.

Beijing, the capital of China, is a city where history and modern life intersect on a grand scale. Ancient landmarks like the Forbidden City, Tiananmen Square, and the Temple of Heaven reflect centuries of imperial heritage, while the Great Wall lies just outside the city, offering views of one of the most famous engineering feats in the world.

Sofia, Bulgaria’s capital, is a city where the past meets the present in a symphony of ancient history, stunning architecture, and vibrant urban life. At the heart of Sofia lies the Alexander Nevsky Cathedral, one of the largest Eastern Orthodox cathedrals in the world. With its golden domes and elaborate frescoes, this architectural marvel serves as a symbol of Bulgarian identity and a must-see attraction.

The city of Oporto is situated on the right bank of the River Douro, being the second largest city of the country. Oporto is the regional capital of the northern area.