1. St. Sophia Cathedral in Kyiv: This UNESCO World Heritage Site is a stunning example of Byzantine architecture, dating back to the 11th century. It's a symbol of Ukrainian history and culture, with beautiful mosaics and frescoes.
2. Chernobyl Exclusion Zone: While a tragic site, Chernobyl has become a symbol of both human error and the power of nature. It's a unique place to visit, offering a glimpse into the aftermath of the 1986 nuclear disaster.
3. Lviv Opera House: Known as the "Ukrainian National Opera and Ballet Theatre of Lviv," this magnificent building is a testament to the city's rich cultural heritage. Its elaborate architecture and grand interior create an awe-inspiring experience.