From grand castles to resplendent cathedrals, Tallinn’s Old Town neighborhood, a UNESCO World Heritage Site, is the perfect place to begin exploring. Enter through Viru Väravad, or Viru Gate, the former fortress whose remaining two towers beckon you into the heart of the city.

Brighton, a vibrant seaside city on England's southern coast, has long been a favorite getaway for those seeking a mix of culture, history, and the sea. Its most famous landmark, the Royal Pavilion, is an architectural wonder with its exotic, Indian-inspired domes and minarets. Originally built for King George IV as a lavish seaside retreat, the palace today offers visitors a glimpse into royal opulence with its richly decorated interiors and sprawling gardens.

Jellyfish Lake is a shadowed oasis hidden among the mushroom-like Rock Islands of Palau. This forest‑fringed saltwater lake invites visitors to float with millions of gentle, stingless jellyfish that glow like drifting amber clouds under emerald light. The lake formed about 12,000 years ago, when rising seas flooded an ancient reef basin that was gradually cut off from the ocean. Over centuries, its jellyfish evolved in isolation, shedding their stings and multiplying without predators in sight.

Trebinje, the southernmost city in Bosnia and Herzegovina, sits just a short drive from the Adriatic coast but offers a completely different rhythm. Framed by hills and set along the Trebišnjica River, the city has a history stretching back to Roman times. The river that winds through the city is one of the longest sinking rivers in the world and often disappears underground and resurfaces in various places.

The Algarve, Portugal's southernmost region, is a treasure trove of stunning landscapes and rich cultural experiences. Renowned for its breathtaking coastline, the Algarve boasts dramatic cliffs, golden sandy beaches, and crystal-clear waters. The coastline is dotted with picturesque towns like Lagos and Albufeira, which offer a blend of vibrant nightlife and tranquil beaches. The iconic Ponta da Piedade near Lagos is a must-see, with its striking rock formations and secluded caves that can be e