Sources and original illustrations

Primary references and the limits of this educational collection.

Primary references

• UNESCO: San Cristóbal de La Laguna — The distinction between the unplanned Upper Town and ideal-city Lower Town; no route, exact dimensions or social-quality ranking.
• UNESCO: Talayotic Menorca — Varied prehistoric settlement/burial forms, evolving large-block architecture and qualified possible meanings of spatial relationships; no invented function or ritual.
• UNESCO: Ibiza, Biodiversity and Culture — Posidonia seagrass meadows, marine diversity and coastal–marine ecosystem interaction; no local habitat identification or current-condition claim.
• UNESCO: Su Nuraxi di Barumini — The circular truncated-cone towers and corbel-vaulted chambers; no construction protocol, universal phase claim or interior-access promise.
• UNESCO: Villa Romana del Casale — The villa as a large-estate centre and its notable mosaic decoration; no invented owner, worker identity or daily routine.
• UNESCO: City of Valletta — The Order of St John association and concentrated historic-city context; no invented building function or institutional connection.
• UNESCO: Djerba, Testimony to a settlement pattern in an island territory — Low-density neighborhoods, religious/trading connections and water-scarce environmental context; no private access or unverified water-system claim.
• UNESCO: Qal’at al-Bahrain, Ancient Harbour and Capital of Dilmun — The tell, successive occupation, upper fort and varied earlier activities; no independent stratigraphic dating or complete-excavation assertion.
• UNESCO: Singapore Botanic Gardens — The garden’s development as a scientific, conservation and educational institution; no plant identification, medicinal or current-access claim is supplied.
• UNESCO: Chief Roi Mata’s Domain — The three associated places and the convergence of oral tradition and archaeology; no invented narrative, cultural protocol or visitor permission.
• Seychelles Islands Foundation: Vallée de Mai — Coco de mer within the endemic palm forest and stated ecological processes; no invented species interaction, encounter or current access detail.
• UNESCO: Le Morne Cultural Landscape — The refuge of people escaping enslavement and the landscape’s freedom/memory significance; no unverified legend, individual biography or climbing instruction.
• UNESCO: Levuka Historical Port Town — The port’s development around indigenous villages and indigenous influence; no current identities, invented individual agency or universal building-style claim.
• UNESCO: Lagoons of New Caledonia, Reef Diversity and Associated Ecosystems — The serial marine property and mangrove–seagrass–reef habitat continuum; no condition survey, species encounter or water route.
• National Park Service: Volcanoes, Hawaiʻi Volcanoes National Park — The island-building geological context; current visitor decisions are explicitly deferred to official current alerts rather than inferred from geology.
• National Park Service: Hawaiʻi Volcanoes alerts and conditions — The official separation of current alerts, air quality and volcano-status resources; no fixed condition or route assertion.
• UNESCO: Morne Trois Pitons National Park — The park’s forest, volcanic landforms and geothermal features; no water-use, approach, terrain or activity-suitability assertion.
• UNESCO: Pitons Management Area — The volcanic spires and wider terrestrial/marine context; no climbing route, reef-condition assessment or common-access assumption.
• UNESCO: Brimstone Hill Fortress National Park — British design, construction through enslaved African labor and colonial context; no invented individual biography or operational military instruction.
• UNESCO: Antigua Naval Dockyard and Related Archaeological Sites — Historical bay/repair relationship, enslaved labor and plantation-interest context; no present shelter, anchorage or weather-safety claim.
• UNESCO: Historic Town of St George and Related Fortifications, Bermuda — The fortifications’ multi-century development and adaptation to artillery changes; no individual unverified phase date or operational instruction.

Original visual material

The diagrams in this edition are original SVG illustrations explaining the sequence or decisions in each guide. They do not show a laboratory experiment, a personal trip or a tested product result. No photographs from the linked sources are reproduced.

Check the source in context

References were consulted during preparation of this edition. A source may cover a broader or narrower question than a particular guide; the support notes above explain why it is listed. Read the original for methodology, exceptions and updates.