Dan yr Ogof

Craig-y-Nos Castle is a country house located in the upper Swansea

Sgwd Henrhyd (Henrhyd Waterfall or Henrhyd Falls) in Powys, Wales, is

The Maen Madoc or Maen Madog stone is a menhir which lies adjacent to

Aberpergwm House, now abandoned and ruinous, is located in Glynneath.

The Afon Hepste is a river in Powys, Wales and wholly within the

Melincourt Falls is a spectacular 80ft / 25m high waterfall on Melin

The Brecon Beacons Mountain Centre is the popular name for the

Castell Du, also known as Sennybridge Castle or Castell Rhyd-y-Briw,

Cueva de los Verdes (Spanish for 'Greens' cave', because in the past

The Grotte des Demoiselles is a large cave located in the Hérault

Demänovská Ice Cave or Demänovská ľadová jaskyňa (in Slovak) is an ice

Damlataş Mağarası, Antalya'nın Alanya ilçesinde deniz kıyı

Uhlovitsa (Bulgarian: Ухловица) is the name of a cave in the Blue Po