Novi Sad, Serbia’s second-largest city, sits along the banks of the Danube River and has long served as a cultural meeting point in the Balkans. Its centerpiece is Petrovaradin Fortress, a massive 18th-century stronghold nicknamed the "Gibraltar on the Danube." The fortress is known not just for its historic architecture but also for its network of underground tunnels and the iconic clock tower where the hands are reversed, meaning the large hand shows the hour.
The Olympic Peninsula occupies the far northwest corner of Washington State, where mountains, rainforest, and coastline meet within a relatively compact area.
Though it's San Diego County's smallest city in both size and population, Del Mar is one of its most widely known due to prominence of its Del Mar Race Track & Fairgrounds. The City of Del Mar with about 2 square miles of land for its 5,211 residents, the city gives up almost one quarter to the fairgrounds. But its beaches stretch from Del Mar Shores Beach Park in the north edge of Torrey Pine State Reserve and the La Jolla Underwater Park in the south.
Polonnaruwa, located in Sri Lanka’s North Central Province, served as the island’s capital nearly a thousand years ago. Today, it offers one of the most extensive and well-preserved archaeological sites in South Asia. Visitors can walk among the ruins of royal palaces, Buddhist monasteries, and intricately carved stone temples. One of the highlights of Polonnaruwa is the Gal Vihara, a group of colossal Buddha statues carved directly into granite.