The why of temples

Temples feature in a lot of adventures, but it's often the temple of mumble which was built by the priests of mumblecough to serve the function of hey look over there.

Here's a set of tables that can randomly generate a temple, including its background, physical features, reasons a party of adventurers might be interested in it and reasons why no-one has looted it before them.

This temple is set:

1. On a hill
2. In a valley
3. Overlooking a bay
4. In a mountain pass
5. In a cave
6. On an island

It's a:

1. Single-room chapel
2. Small church with priest quarters
3. Small chapel complex with priest and guest quarters
4. Multi-building grounds with workshops and a staff
5. Temple complex with cloisters, schools and dedicated farms
6. Holy city with a permanent population of citizens and businesses

It was built to:

1. House the bones of a saint
2. Provide accommodation for pilgrims
3. Seal an evil portal/hostile entity
4. Prepare for the return of a living god
5. Act as a base for a religious crusade
6. Train clerics and war priests

Its distinctive feature was:

1. A sacrificial altar
2. A library and scriptorium
3. A treasure vault
4. An armoury
5. Extensive catacombs
6. A reliquary housing an ancient artefact

Its distinctive architecture is:

1. A bell tower 
2. A cloister
3. A necropolis
4. Statues
5. Stained glass windows
6. A labyrinth mosaic

Its state is:

1. Abandoned and empty
2. Used as a headquarters by bandits
3. Used as a den by wild animals
4. Inhabited by monsters
5. Operational but barred to outsiders
6. Re-occupied by a cult or opposing religion

Its walls are:

1. Overgrown and half-buried
2. In ruins
3. Pristine
4. Soot-stained
5. Rebuilt
6. Carved with ominous bas-reliefs

An unexpected threat here is:

1. Angry spirits
2. Wandering undead
3. Animated statues
4. Cursed objects
5. Weakened floor/roof supports
6. Disease