(CNN) – Scary sells. Whatever the nature of their flesh, the spirits of the dead rake in very real profits when it comes to sightseeing.

The tourists shelling out for the haunted houses that pop up in the fall like skeletons and spooky inflatables on suburban lawns are doing so for a giddy but ultimately safe experience. The destinations featured on our list below, however, are less about the commercial scare that you can buy at Halloween attractions.

This is the real deal. These sites are authentically and unintentionally weird, macabre and mysterious.

Sedlec Ossuary – Sedlec, Czech Republic

The Sedlec Ossuary is a small Roman Catholic chapel in Sedlec, Czech Republic. It also contains the skeletal remains of about 40,000 human beings dispersed throughout the interior in artisticall

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