//
Photo: Jirka.h23, CC BY-SA 4.0 via Wikimedia Commons
The Čertovy hlavy are a pair of 9 metre high rock sculptures in the municipality of Želízy in the Central Bohemian Region of Czech Republic.
© OpenStreetMap contributors
Large castle from the 14th century, worth visiting. For the interior, you can only take a guided tour included in the admission fee. It is possible to climb the tower for an extra 30 Kč.
"The Lids", Mšenské pokličky
A huge rock formation resembling a lid (thus the name) with stairs leading from the road beneath it to the top. The climb is tough, but you can park your car just beneath it (there is also a bus station).
"Rock houses"
Small man-made caves carved into sandstone. Adventurous persons can sleep here.
Rozhledna Vrátenská Hora
A modern lookout tower offering a nice view.
Another castle ruin. Features a preserved tower which you can climb on summer days. Great view.
Another rock formations, supposedly resembling a castle turned to stone by evil wizard.