Situated at the end of Andrássy Avenue, Heroes' Square is one of Budapest's most iconic landmarks. Dominated by the Millennium Monument, it pays homage to Hungary's history and leaders. It is flanked by the Museum of Fine Arts and the Palace of Art, and if you continue your way past the wall of sculptures, you'll reach City Park with Vajdahunyad Castle.

Located in the southeastern part of Varna, the Roman Baths are the largest ancient public building discovered in Bulgaria. This remarkably well-preserved site offers visitors a chance to walk through history and admire the intricate details of the original structure. The affordable entrance fee makes it an excellent value, and it is considered one of the most important historical sites in Varna. After exploring, visitors can relax at the museum café.

Pobiti Kamani, also known as the Stone Forest, is a fascinating natural phenomenon featuring numerous limestone pillars, some as tall as 10 metres. These formations include hollow and solid cylinders, truncated cones, and scattered rocks and cliffs. The origin of this unique landscape remains a mystery, although evidence of human life dating back to the Mesolithic period has been discovered here. It's an intriguing destination for nature enthusiasts and those interested in geological history. If you visit during the summer, make sure you bring water, a hat, and sunscreen, as the area can get quite hot. The Stone Forest is accessible by car or public transport.

If snorkelling and/or scuba diving sounds like your idea of fun, Cartagena is the place to indulge. Waters of the Caribbean washing over this part of the coast hold abundant marine life, including multiple varieties of tropical fish and corals, and the several underwater shipwreck sites make for exciting diving. The archipelagos of Rosario and San Bernardo are both excellent for either.