This small local military museum is a great place to visit to get some knowledge of the military history of the island of Bornholm. Here you can explore military equipment from the past 500 years, uniforms, weapons, remains of a V1 flying bomb, which are all housed in unique historical buildings. On the courtyard you will even find a tank. There are guided tours of the exhibitions. When you are here why not visit the impressive tower called Kastelstårnet, located near the Museum of Defence, a bit south of the old part of Rønne.

Stortorget, the largest square in Karlskrona, stands proudly at the heart of Trossö island, forming the central hub of the city. This grand square, perched on the island's highest point, is surrounded by monumental buildings that tell tales of the city's rich history. The centrepiece is the statue of Karl XI, overseeing the bustling paved expanse. Two magnificent churches, Fredrikskyrkan (The Frederick Church) and Trefaldighetskyrkan (The Holy Trinity Church), also known as the German Church, add to the square's allure. Stortorget captivates visitors with its architectural splendour, and the surrounding pedestrian streets feature an array of restaurants and cafés.

Christmas Island is one of the world's truly spectacular tropical seabird rookeries. It's not just the number and variety of seabirds or their magnificent splendour that make the island so remarkable, but also their sheer visibility. Around 80,000 seabirds nest here annually, with 23 breeding or resident species. Birds can be seen and heard everywhere on the island, at just about any time of the day. With just a little effort, birdwatchers can easily tick off a full list of residents in a busy week or a more relaxed fortnight. However, the elusive Christmas Island hawk owl keeps many coming back. More than 100 vagrant and migratory bird species have been recorded here, including eight breeding seabird species and one subspecies. The most numerous is the wide-ranging red-footed booby, which nests in colonies in trees in many parts of the coastal shore terraces. You may see the endangered Christmas Island frigatebird soaring above Settlement — it's the world's rarest frigatebird and nests only on the island. The golden form of the white-tailed tropic bird is an endemic subspecies unique to Christmas Island. Known locally as the golden bosun bird, this stunning bird is graceful in flight and has been adopted as the island's fauna emblem.

Christmas Island’s narrow reef supports bountiful marine life, including 88 coral species and more than 600 species of fish. It’s an underwater wonderland for divers, with clear warm waters, coral reefs and spectacular wall dives. Soft corals, feather stars and gorgonian corals grow along vast walls which plunge into a seemingly bottomless abyss. The fish community is distinctive because the island is a meeting place for Indian and Pacific Ocean fish species. It’s one of the few locations in the world where you’ll see Indian and Pacific Ocean fish swimming side by side. Some of these species interbreed to produce hybrids. Christmas Island has more hybrid fish than anywhere else in the world, making it a marine hybridisation zone of international significance. In addition to the hundreds of species of tropical fish, dolphins inhabit the island’s waters and whale sharks regularly visit during the wet season. Whale sharks generally first appear when the red crabs are spawning at the start of the wet season — they converge to supplement their plankton diet with crab larvae. Locations like Flying Fish Cove, Ethel Beach, Dolly Beach, West White Beach and Winifred Beach offer scuba divers and snorkellers a rewarding marine experience. At Flying Fish Cove and Ethel Beach shore diving is possible depending on the time of the year. There is excellent fishing, with sailfish, tuna and wahoo among some of the fish to be caught. You’ll find boat ramps at Flying Fish Cove and Ethel Beach.