On https://www.openstreetmap.org https://www.openstreetmap.org you mean? By using the 'query features' tool on the right (the pointer with the question mark),

On https://www.openstreetmap.org https://www.openstreetmap.org you mean? By using the 'query features' tool on the right (the pointer with the question mark), and then picking the object you want from the list of objects in that area. Other viewers of OSM data (like smartphone apps) can have different (sometimes easier) means of accessing that data. OSM is a database intended for use with many clients; https://www.openstreetmap.org https://www.openstreetmap.org is just one.