When you're looking for cinder block garden ideas, the sky's just about the limit for this versatile building material. Use them to create stylish walls, furniture, outdoor bars, planters, raised ...

Type of blocks: Cinder blocks are hollow, typically measuring 8-in. by 8-in. by 16-in., costing $2.50 to $3 per block. Comparable concrete blocks are a little less expensive, $2 to $2.50 each.

The interior of a makeshift cinder block cell in Klamath Falls, Ore., from which a kidnapped woman escaped. (FBI via Associated Press) ...