
Magura Cave
Prehistoric paintings drawn in bat guano.
1–1.5 h
Nk · Public domain · Wikimedia Commons

Prehistoric paintings drawn in bat guano.
1–1.5 h

Red sandstone towers with a fortress built straight into them.
1.5–3 h

A fortress that used three sandstone massifs as its walls
1–2 h

Medieval castle in Vidin
30 min–1.5 h

2,169 m on the Serbian border, and empty in a way Rila never is
5–9 h

Two hours up from the hut, and the start of the Kom–Emine trail
3–6 h