Since 1999 Buchholz has repeatedly been featured in exhibitions abroad, often organized by the Goethe Institute. For example, his works have been shown in Nancy and Strasbourg, France (1999), at the Taipei Fine Arts Museum in Taiwan (2000), the Goethe Institute in Thessaloniki, Greece (2007), as well as in Medellín and Bogotá, Colombia (2014), Klagenfurt, Austria (2014), and Pazin, Croatia (2017).
