The Armsby Calorimeter

Discover The Armsby Calorimeter in College Township, Pennsylvania: This 19th century machine put animals (including humans) in boxes to study how they metabolized calories.

Elizabeth Cady Stanton’s Grave

Discover Elizabeth Cady Stanton's Grave in Bronx, New York: A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

Madava Farms at Crown Maple

Discover Madava Farms at Crown Maple in Dover Plains, New York: The second largest maple syrup producer in the U.S. runs a high-tech operation.

Ianto’s Shrine

Discover Ianto's Shrine in Cardiff, Wales: An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

Treasure of Villena

Discover Treasure of Villena in Villena, Spain: A significant cache of prehistoric valuables is on display in an unassuming museum tucked inside a town hall.

Battle of the Elms

Discover Battle of the Elms in Stockholm, Sweden: The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

Capital Transit Co. Streetcar Barn

Discover Capital Transit Co. Streetcar Barn in Washington, D.C.: Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

Warsaw Poster Museum

Discover Warsaw Poster Museum in Warsaw, Poland: A national collection of Communist-era musical posters.

Piper’s Opera House

Discover Piper's Opera House in Virginia City, Nevada: Back in the day everyone who was anyone played this historic western theater.

Former Site of Selig Polyscope Film Studios

Discover Former Site of Selig Polyscope Film Studios in Chicago, Illinois: Chicago was once a major hub of film production, but being silent film you don’t hear much about it.

Palace of Depression

Discover Palace of Depression in Vineland, New Jersey: This Great Depression-era creation was once known as the strangest house in the world.

Croissant Museum

Discover St. Martin’s Croissant Museum in Poznań, Poland: The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

Slabsides

Discover Slabsides in Highland, New York: The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.

Little Istanbul

Discover Little Istanbul in Sala, Sweden: One man's fascination with Turkey led to this backyard mini-city.

Ruby Falls

Discover Ruby Falls in Chattanooga, Tennessee: The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Atomic Liquors

Discover Atomic Liquors in Las Vegas, Nevada: Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Painted Village of Čičmany

Discover Painted Village of Čičmany in Čičmany, Slovakia: A perfectly preserved hill village where the buildings are painted like white lace.

Ireland Park

Discover Ireland Park in Toronto, Ontario: A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

Storkyrkobadet

Discover Storkyrkobadet in Stockholm, Sweden: A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

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i
To represent a masterpiece of human creative genius.
260
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.
474
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.
499
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.
633
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.
135
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.
167
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).
252
vii
To contain superlative natural phenomena or areas of exceptional natural beauty and aesthetic importance.
148
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.
96
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.
166