He is a famous explorer.

He is an expert in speleology and is exploring caves around the world.

He is a specialist in that field.

His music is loved throughout the world.

We woke up early to explore the cave.

We climbed the mountain to explore the cave.

We climbed the mountain to explore the cave.

We made a plan to explore the unexplored areas of Africa.

We decided to explore the unknown forest.

His specialty is physics.