Marshall’s Yard

Discover Marshall's Yard in Lincolnshire, England: Once the largest factory complex in all of Europe, this converted shopping center celebrates its industrial past in a big way.

Wakulla Springs

Discover Wakulla Springs in Crawfordville, Florida: One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

Hengifoss

Discover Hengifoss in Iceland: The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

The Archbishop’s Palace

Discover The Archbishop's Palace in Southwell, England: Once a palace for the Archbishop of York, these 15th-century ruins now serve as a haunt for history buffs.

King’s Chapel Crypt

Discover King's Chapel Crypt in Boston, Massachusetts: A more than 260-year-old crypt built on Boston's oldest English burial ground.

Hanson Log Boat

Discover Hanson Log Boat in Derby, England: This Bronze Age boat was found buried remarkably intact in an English gravel pit.

Edna Lawrence Nature Lab

Discover Edna Lawrence Nature Lab in Providence, Rhode Island: An unusual library of dead things at the Rhode Island School of Design.

The Mount Cemetery

Discover The Mount Cemetery in Guildford, England: This unassuming Victorian cemetery is the final resting place of author Lewis Carroll.

The Maison du Québec

Discover The Maison du Québec in Saint-Malo, France: In France, a medieval-style home pays homage to the intrepid explorer who discovered Québec.

The Blautopf

Discover The Blautopf in Blaubeuren, Germany: In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

Tower of Markellos

Discover Tower of Markellos in Egina, Greece: This pink watchtower served as the seat of the Greek government after independence from the Turks.

Future Forest

Discover Future Forest in Mexico City, Mexico: A colorful "forest" made entirely from three tons of recycled plastic waste.

Klankenbos Sound Forest

Discover Klankenbos Sound Forest in Neerpelt, Belgium: Artwork tucked within the trees greets visitors with surreal sonic experiences.

1960s Hyperbolic Paraboloid Gas Station Canopy

Discover 1960s Hyperbolic Paraboloid Gas Station Canopy in Nottinghamshire, England: One of the earliest large-scale "hyper" roofs in the U.K. is now a derelict roadside attraction.

Punta Borinquen Lighthouse Ruins

Discover Punta Borinquen Lighthouse Ruins in Aguadilla, Puerto Rico: Mother Nature and years of neglect took their toll on this 19th-century lighthouse.

Carmen Tower

Discover Carmen Tower in Tlalpujahua, Mexico: This lonely tower survived the landslide that devastated much of a Mexican mining town.

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i
To represent a masterpiece of human creative genius.
261
ii
To exhibit an important interchange of human values, over a span of time or within a cultural area of the world, on developments in architecture or technology, monumental arts, town-planning or landscape design.
480
iii
To bear a unique or at least exceptional testimony to a cultural tradition or to a civilization which is living or which has disappeared.
514
iv
To be an outstanding example of a type of building, architectural or technological ensemble or landscape which illustrates (a) significant stage(s) in human history.
642
ix
To be outstanding examples representing significant on-going ecological and biological processes in the evolution and development of terrestrial, fresh water, coastal and marine ecosystems and communities of plants and animals.
137
v
To be an outstanding example of a traditional human settlement, land-use, or sea-use which is representative of a culture (or cultures), or human interaction with the environment especially when it has become vulnerable under the impact of irreversible change.
172
vi
To be directly or tangibly associated with events or living traditions, with ideas, or with beliefs, with artistic and literary works of outstanding universal significance. (The Committee considers that this criterion should preferably be used in conjunction with other criteria).
256
vii
To contain superlative natural phenomena or areas of exceptional natural beauty and aesthetic importance.
151
viii
To be outstanding examples representing major stages of earth's history, including the record of life, significant on-going geological processes in the development of landforms, or significant geomorphic or physiographic features.
98
x
To contain the most important and significant natural habitats for in-situ conservation of biological diversity, including those containing threatened species of outstanding universal value from the point of view of science or conservation.
168