Château Sainte-Marie
Ruined castle in Esterre in the Hautes-Pyrénées département of France.
Each edition grades its towns against each other only.

4 of the 6 places to visit in and around Grust are museums or galleries. None of them is inside Grust itself. Further afield lies Col du Tourmalet, at 15 km.
After Château Sainte-Marie come 4 museums and an attraction.
Best known first: by how many Wikipedia and sister-site articles cover each place (Wikidata’s count). It isn’t a ranking of how good they are.
On the map, most of the 6 sit to the southeast.
The first 20 on the list, numbered as below. The shape is the commune of Grust; the orange dot is its centre. © OpenStreetMap contributors · commune boundary: IGN
4 are museums or galleries; other sights come next with 2.
Dark: in Grust. Light: in the communes within 5 km of its centre.
You will find all 6 within 5 km of its centre.
Nothing is mapped in Grust itself; these are within 5 km of its centre.
Leading the 12 is Col du Tourmalet, 15 km away; they include 6 attractions and 3 châteaux.
AttractionSanctuaire de Lourdes23 km north, in LourdesAttractionAttractionCascade de Gavarnie22 km south, in Gavarnie-GèdreAttractionAttractionCol d'Aspin30 km east, in Aspin-AureAttractionAttractionGrottes de Bétharram27 km northwest, in Saint-Pé-de-BigorreChâteauChâteauChâteau fort de Lourdes23 km north, in LourdesAttractionAttractionCol du Soulor20 km northwest, in ArbéostZooZooParc animalier des Pyrénées15 km north, in Ayzac-OstAbbeyAbbeyAbbaye de Saint-Savin-en-Lavedan11 km northwest, in Saint-SavinChâteauChâteauChâteau de Beaucens9.6 km north, in BeaucensChâteauChâteauChâteau de Mauvezin36 km northeast, in MauvezinCathedralCathedralCathédrale Notre-Dame-de-la-Sède de Tarbes39 km north, in TarbesPlaces within 40 km of Grust with an article in both French and English Wikipedia, nearest first.
Nothing is mapped in Grust itself, but within 5 km there are Château Sainte-Marie, Pont Napoléon, Musée municipal de Luz-Saint-Sauveur and Luz et Coutumes.
4 museums and galleries in town or within 5 km, including Musée municipal de Luz-Saint-Sauveur, Luz et Coutumes, Musée Napoleon III and Musée du moulin.
The nearest with articles in both French and English Wikipedia: Col du Tourmalet (15 km), Sanctuaire de Lourdes (23 km), Cascade de Gavarnie (22 km), Col d'Aspin (30 km).
From OpenStreetMap and Wikidata: named museums, galleries, châteaux, abbeys, gardens, zoos, theme parks and other visitor attractions whose mapped point lies inside the commune of Grust, then those in the communes within 5 km of its centre, and well-known places within 40 km. Houses, ruins and gardens need a sign they’re open to visitors; places marked private, closed or disused are left out. The historic-monument link is the Culture ministry’s Mérimée record. A place that isn’t mapped isn’t listed, so this isn’t everything there is to see.
Sources: OpenStreetMap (© OpenStreetMap contributors, ODbL), Wikidata (CC0: descriptions, websites, Wikipedia articles), the Culture ministry’s Mérimée database (Licence Ouverte 2.0), IGN commune boundaries. Distances are from the commune’s centre point.
Photos from Wikimedia Commons, each under its own licence (our copy, resized).
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.