- Green Line train entering tunnel portal
- Tunnel portal north of West Hyattsville station
- Tuscarora Mountain Tunnel western portal
- Kittatinny Mountain Tunnel [02]
- Kittatinny Mountain Tunnel [01]
- Western portal of Blue Mountain Tunnel
- Tunnel portal outside Addison Road station
- Winchester and Potomac Railroad Bridge [01]
- Winchester and Potomac Railroad Bridge [02]
- Winchester and Potomac Railroad Bridge [03]
- Winchester and Potomac Railroad Bridge [04]
- Freight train on CSX Cumberland Subdivision track
- Harpers Ferry tunnel portal
- Pedestrian walkway on CSX Cumberland Subdivision bridge
- Monitor-Merrimac Memorial Bridge-Tunnel
- Interstate 264 after Midtown Tunnel [01]
- Interstate 264 after Midtown Tunnel [02]
- Interstate 264 after Midtown Tunnel [04]
- Interstate 264 after Midtown Tunnel [03]
- Ilchester Tunnel [01]
- Ilchester Railroad Bridge [01]
- Ilchester Tunnel [02]
- Selfie at Kittatinny Mountain
- Kittatinny Mountain Tunnel [03]
- Elyse smiles on a bridge overlooking the Kittatinny Mountain Tunnel
- Kittatinny Mountain Tunnel [04]
- Elyse photographs a streetlight [01]
- Elyse photographs a streetlight [02]
- Kittatinny Mountain Tunnel [05]
- DJI Air 2S prior to a flight in Pennsylvania
- Kittatinny Mountain Tunnel [06]
- Kittatinny Mountain Tunnel [07]
- Pennsylvania Route 641 at the turnpike
- Kittatinny Mountain Tunnel [08]
- Kittatinny Mountain Tunnel [09]
- Kittatinny Mountain Tunnel [10]
- Kittatinny Mountain Tunnel [11]
- Kittatinny Mountain Tunnel [12]
- Kittatinny Mountain Tunnel [13]
- Kittatinny Mountain Tunnel [14]
- Kittatinny Mountain Tunnel [15]
- Blue Ridge Tunnel [15]
- Blue Ridge Tunnel [03]
- Blue Ridge Tunnel [02]
- Blue Ridge Tunnel [14]
- Blue Ridge Tunnel [01]
- Blue Ridge Tunnel [16]
- 40th Street trolley portal