S

Subflix

subflix.tech

BrowseMoviesSeriesSportsProvidersSearchProfiles
Sign inSign up

Mobile Menu

Subflix

Jump back into movies, series, sports, and your account from one place.

Log inJoin now
BrowseMoviesSeriesSportsProvidersSearchProfilesQuick search
Use Log in above to access profiles, continue watching, and account tools on mobile.

Watch

Modern Marvels

Season 3, episode 9. This player now records resume state for the active profile so browse, account, and detail pages can bring you back here quickly.

Currently watching

S3 E9

Paving America

The story of the construction of our grand national highway system, from its beginnings in 1912 (it was conceived by auto and headlight tycoons) to its completion in 1984 (when the last stoplight was removed–and buried).

Previous episodeNext episode

Watch state

Sign in to save resume state and recent activity

Watch history and continue watching stay tied to your active profile, so you can pick up later from browse, account, and detail pages.

Sign in to sync

Provider validated

Watching via moviesapi

No ads approved

Cast And Share

Open the player on the device you want to cast from

These providers run inside an external iframe, so the most reliable casting flow is to open the player in its own tab and use your browser or device cast controls there.

Open Player
AirPlay, Chromecast, and browser tab casting work best after opening the provider directly

Season 3

Back to series detail

Episode 1: Space Shuttle

Episode 2: Brooklyn Bridge

Episode 3: Tunnels

Episode 4: Tennessee Valley Authority

Episode 5: Oil

Episode 6: Silver Mines

Episode 7: The NYC Subway

Episode 8: The Railroads That Tamed the West

Episode 9: Paving America

Now playing

Subflix

Subflix.tech brings movies, series, and sports into one cleaner streaming experience.

BrowseMoviesSeriesSportsProvidersSearchAccount

Episode 12: The Alaskan Oil Pipeline