Astoria, Oregon is the state's oldest city. Located on the Columbia River near the Pacific Ocean, Astoria is rich in history, including fishing, canning and the Lewis and Clark Expedition.

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.

Phnom Penh, the capital of Cambodia, is a city where history, culture, and riverside life intersect. Situated at the confluence of the Mekong and Tonle Sap rivers, the city has a lively riverfront that serves as both a social gathering place and a hub for commerce.

St. Kitts and Nevis is a West Indies island country and the Western Hemisphere's smallest sovereign state.

Nestled along Costa Rica's Pacific coast, Manuel Antonio National Park is a jewel of biodiversity and natural beauty that enchants every traveler who steps into its lush embrace. Renowned for its pristine beaches, dense rainforests, and remarkable wildlife, the park offers a unique combination of adventure and relaxation. Hike along the park's well-maintained trails, like the Punta Catedral trail, which winds through the jungle and offers stunning panoramic views of the Pacific Ocean.