Wawel Royal Castle (Zamek Królewski na Wawelu): As part of the Cracow’s Historic Centre (the Old Town), the Wawel Royal Castle was among the very first sites inscribed on the UNESCO World’s Heritage list in 1978. The castle is one of the most historically and culturally significant sites in Poland and the viewable online Lanckoroński Collection is one of its finests.   Virtual tour link

Wieliczka Salt Mine (Kopalnia Soli w Wieliczce): Existing since the 13th century, the mine was placed on the UNESCO’s list of World Heritage Sites in 1978 (the site extended later to include the Bochnia Salt Mine and Żupny Castle). The Wieliczka’s tourist route is about 3 km long, includes 20 chambers, located at depths from 64 to 135 meters, an underground lake and numerous statues carved in salt. Virtual tour link

Royal Castle in Warsaw (Zamek Królewski w Warszawie): Placed on the UNESCO’s list of World Heritage Sites along with the Old Town in 1980, it receives about 500,000 visitors a year. The castle was totally destroyed by German occupiers during the WWII and reconstructed in 1971-1984.Virtual tour link

Auschwitz-Birkenau State Museum (Państwowe Muzeum Auschwitz-Birkenau): Placed on the UNESCO’s list of World Heritage Sites in 1979, the site’s name was changed to “Auschwitz Birkenau: German Nazi Concentration and Extermination Camp (1940-1945)” in 2007. The museum preserves the memory of the 1.1 million people killed in the camp during German occupation of Poland. Virtual tour link

Warsaw Uprising Museum (Muzeum Powstania Warszawskiego): Opened to commemorate the 60th anniversary of the uprising in 2004, the museum preserves its history and materials (artifacts, documents) related to the Polish Underground State. Virtual tour link

Malbork Castle (Zamek w Malborku): Placed on the UNESCO’s list of World Heritage Sites in 1997, this 13-th centuryTeutonic fortress is the largest castle in the world by land area and one of the finest examples of Gothic architecture. Virtual tour link

St. Michael Archangel’s Church in Binarowa (Kościół św. Michała Archanioła w Binarowej): Built around 1500 in Gothic style, this is one of the group of six wooden churches inscribed on UNESCO World’s Heritage list as Wooden Churches of Southern Lesser Poland. Virtual tour link

Old City of Zamość (Stare Miasto w Zamościu): Inscribed on the UNESCO World’s Heritage list in 1992, Zamość is a unique example of the late 16th century Renaissance urban designs based on the Italian theories of the ‘ideal city.’ Its Old Town has many historic buildings – including the so-called “Armenian houses” that nowadays hold collections of the Zamoyjski Museum, named by the city founders. Virtual tour link

Zamoyski Museum in Kozłówka Palace (Muzeum Zamoyskich w Kozłówce): Belonging to the Zamoyski family between 1799-1944, the palace’s splendor reached its peak in early 20th century when owners aimed to turn it into the greatest aristocratic residence in Poland. Despite falling into the hands of Soviet Red Army in 1944, most artifacts survived untouched and the level of museum’s authenticity is very rare by European standards. Interestingly, the carriage house of the palace hosts now a museum of socrealism art.  Virtual tour link