Unknown
From Underfoot
'
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | mine | Unknown | quarry | Wikidata | |
| site | mine | Unknown | quarry | Wikidata | |
| site | mine | Unknown | quarry | Wikidata | |
| site | mine | Unknown | quarry | Wikidata | |
| site | mine | Unknown | quarry | Wikidata | |
| site | tunnel | Fenglin tunnel | Taiwan Railways Administration, railway tunnel | Wikidata | |
| site | tunnel | Guangfu tunnel | railway tunnel, Taiwan Railways Administration | Wikidata | |
| site | tunnel | Unknown | water tunnel | Wikidata | |
| site | tunnel | Wujia Tunnel | water tunnel | Wikidata | |
| site | tunnel | Xi Kou tunnel | railway tunnel, Taiwan Railways Administration | Wikidata | |


