Is Visoko's 250m-high Visočica Hill in fact the World's Greatest Pyramid? That's the intriguing if widely discredited theory of Semir Osmanagic, an American-Bosnian Indiana Jones–style researcher who claims it was built approximately 12,000 years ago by a long-disappeared superculture.
This mainly forested 'Pyramid of the Sun' does indeed have a seemingly perfect pyramidal shape when viewed from some angles (despite a long ridge at the back) and plates of bafflingly hard ancient 'concrete' found here are cited as having once covered the hill, creating an artificially smoothed surface. Some of the excavations are open to visitors above the Bistro Vidovac cafe. A guide shows visitors around for 5KM. To climb right to the top of the 'pyramid' hill follow the asphalt lane (mostly car-free) for 2km then double back near a small summer cafe and climb steeply up a narrow footpath for another 10 minutes. Even if you can't feel the energy beam, which supporters claim emerges through the apex of the 'pyramid', there is still a fine view fronted by a fragment of (over)restored fortress wall recalling Visoko's medieval role as Bosnian capital.
