"What is this? Can't find anything in these Eurovelo spots "
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2022-05-15T14:57:35Z
POI name: Eurovelo 8
POI types: tourism-information
#organicmaps

Castell de Burriac

Barcelona Nord Bus Station