Lighthouse

A lighthouse is a tower which emits light to aid navigators at sea.

In the 1900s, one of the Rutan Host took over the Fang Rock lighthouse, but was defeated by the Doctor. (DW: Horror of Fang Rock)

In the 1970s, Professor Tansbury conducted experiments in a disused lighthouse off the coast of Porthferiot, Cornwall, resulting in the creation of a giant lizard, the growth of which destroyed the lighthouse. (TVC: The Tansbury Experiment)

In 2006, the Cynrogs used the Black Island lighthouse as their base while trying to recreate Balor. (NSA: The Nightmare of Black Island)

Bev and Adrian investigated a strange lighthouse while searching for Clarissa Jones. (BFBS: Hiding Places)

Astrolabus's TARDIS took the form of a lighthouse. (DWM: Voyager)