10km from of Kilkenny City, history and geology superimpose to form a unique learning experience. The cave was described in one of the earliest Irish texts, The Traids, and has turned up archeological artefacts from almost two thousand years ago. Geologists won't want to miss the calcite cave formations, some of Ireland's finest.

The National Technical Museum showcases over a century of technological innovation. Established in 1908, it offers 26 permanent and temporary exhibitions spanning various technical fields, sciences and industries. The museum's extensive collections, interactive educational programs, and research activities make it a treasure trove for those interested in the history of technology. One of the many significant exhibits at the museum is the aircraft flown by Czech aviator Jan Kašpar. He executed a 92-minute, 121-kilometre flight in this very aircraft in 1911.

Since 1490, this clock has been ticking on the Old Town City Hall wall in Prague's Old Town Square. Every hour between 9am and 11pm, visitors can see the Apostles (small wooden figures) appear from the clock. At a closer glance, you can also see mystical zodiac signs on the clock face.

Visit the the lively, fragrant Bankerohan Market to take in the authentic atmosphere of a busy marketplace, stock up on fresh produce, sample some local fruit (durian is widely available) or grab a bite at one of the market's street food stalls. Morning (before noon) is the best time to visit.