The Best BelowTheSurface Alternatives in 2026

DOCUMENTARY+ presents a catalog of documentary films, from award-winning classics and box-office releases to festival selections and cult favorites.

Documentary Network curates documentary videos and links to full-length films.

Halcyon Maps publishes infographics, including an explanation of gravitational waves.

Memory Toys offers browser memory games, including matching cards and challenges for speed and accuracy.

This Google Sheet is titled Video Essay Hall of Fame and collects entries about video essays.

DocumentaryArea tracks previously watched documentaries and lists documentary titles.

PBS offers full episodes, news analysis, and documentaries covering subjects such as history, science, and art.

coolguid.es collects visual guides from the r/coolguides subreddit across a range of topics.

Read Scott Alexander archives writing from Slate Star Codex, Astral Codex Ten and other blogs in a searchable, organized collection.

Information is Beautiful turns data, information and knowledge into infographics and visualizations.

The National Palace Museum's 720-degree VR tour lets visitors explore permanent exhibitions and selected artifacts.

BrainScale offers Dual N-Back, logic games and other browser exercises for memory and reasoning practice.

NBacking offers an online Dual N-Back working-memory game with spatial, auditory, color and image modes.

openHPI offers free interactive online courses in computer science, IT and digital innovation.

GeoNames provides a geographical database with more than 11 million place names from all countries, available for free download.

Academo collects browser-based educational demonstrations and tools across subjects including engineering, math and music.

LitCharts provides literature guides, poetry guides, Shakespeare translations, mind maps and reading tools.

The Borr Project provides free resources to help learners study college curricula.

Virtual Visit Tours lets visitors explore locations across Ireland through 360-degree virtual tours.

LinkedIn Talent Solutions Learning Center lists learning paths, courses, and lessons for recruiters.

Walk with Feel plays local radio stations while users drive through cities around the world.

Virtual Vacation lets users explore cities from home through walking and driving tours, live footage and a location-guessing quiz.

PhET provides free simulations for physics, chemistry, biology, earth science and mathematics.

Open Culture lists 1,700 free online courses from universities including Yale, MIT, Harvard and Oxford.