It is the only prehistoric underground temple in the world.

Above all, try to visit the underground temple, Hypogeum.

No wonder the Hittites had decided to carve their underground temple here.

It was similar to those he had seen in the underground temple.

They headed for the entrance to the underground temple.

Disinfected and sealed, the underground temple was now being explored by archaeologists.

He traced a labyrinth of passages, finally arriving at the underground temple.

Jones finds a secret door and find a large underground temple underneath the palace run by the Thuggee people.

He is able to hatch a Dragon from an egg in the underground temple which becomes a surrogate little brother and helps him fight.

It usually refers to an underground temple or tomb.