cavern

Converse of object

• enter: There, he entered a large cavern which he proceeded to explore for a distance of eight miles.
• fill: Sump: Point in the cave where the water fills the cavern entirely.
• explore: You can also explore caverns where locals collect swallow nests to make their bird's nest soup.
• discover: I discovered the second cavern of Bones at Hutton hill.
• reach: After two or three hundred meters we rounded the southern tip and reached the magical cavern.
• visit: It is best to visit the cavern during the summer at noon, when the light penetrates the darkness producing stunning effects inside.

Adjective modifier

• cathedral-like: Float under stalagtites, see ancient skeletons and pottery and prepare to be awstruck by cathedral-like caverns.
• subterranean: It includes three stages in which you have to fight your way through the passages of alien subterranean caverns.
• underground: The high light is a view of the huge underground cavern which has recently been proved to be Bronze Age.
• underwater: We arrived outside an enormous underwater cavern, the silver ripples reflecting on the stone walls.
• vast: Now, he was standing in a vast cavern.
• immense: So great were their numbers that they quickly filled the immense underground cavern and forced the busy workmen to abandon their tasks.

Modifies a noun

• diving: There were four of us, none of whom had ever been cavern diving.
• wall: Moles are able to gnaw through some cavern walls, opening up larger areas for exploration.
• floor: His feet slipped on some loose gravel, which cascaded down onto the cavern floor.

Noun used with modifier

• limestone: The famous limestone cavern, which is an Irish national monument, was the scene of a massacre by the Vikings in 928 AD.
• slate: A steam railroad chuffs into the hills to the biggest slate caverns in the world.
• ice: A few feet below this level they discovered a wide ice cavern which fell away below for another 50 or 60ft.

Preposition: in

country: Castleton Caverns without doubt the most spectacular collection of caverns in the country.

Preposition: with

lake: Formed over thousands of years, it's a treasure chest of stalagmites and stalactites, spread over 5 caverns with underground lakes.