alt = A statue of young Lincoln sitting on a stump, holding a book open on his lap

alt = Head shot of older, clean shaven Lincoln

alt = A dark-haired, bearded, middle-aged man holding documents is seated among seven other men.

alt = Photo of surf breaking on rocky shore

alt = Map displaying a looping line with arrows indicating that water flows eastward in the far Southern ocean, angling north east of Australia, turning sough after passing Alaska, then crossing the mid-Pacific to flow north of Australia, continuing west below Africa, then turning northwest until reaching eastern Canada, then angling east to southern Europe, then finally turning south just below Greenland and flowing down the Americas ' eastern coast, and resuming its flow eastward to complete the circle

alt = Map showing 5 circles.

alt = Map of Caribbean showing seven approximately parallel westward-pointing arrows that extend from east of the Virgin Islands to Cuba.

alt = Animation showing the continents separating from a single mass, making creating the Atlantic in the process

alt = Animation of audio, AM and FM sine waves

alt = Apollo program insignia

alt = Astronaut Buzz Aldrin stands on the Moon

alt = President John F. Kennedy addresses a joint session of Congress, with Vice President Lyndon B. Johnson and House Speaker Sam Rayburn seated behind him

alt = Black-and-white photograph of a statue consisting of an inscribed, round pedestal on top of which sits a seated, nude, male figure of which only the legs and lower torso are preserved

alt = Tapestry image of a man on horseback holding a falcon

alt = Tapestry image of a procession of men carrying a coffin heading towards a church building.

alt = Coin image of a crowned male head with a sceptre in the background

Image: AcropolisatathensSitePlan. png | right | 600px | alt = Site plan of the Acropolis at Athens

alt = Diagram showing video signal amplitude against time.

alt = This article incorporates public domain material Bulgaria country profile ( October 2006 ) from websites or documents of the Library of Congress Federal Research Division.

alt = Black-and-white picture of heavy machinery with two operators sitting aside

alt = Graphs showing similar elution curves ( metal amount vs drops ) for ( top vs bottom ) terbium vs berkelium, gadolinium vs curium, europium vs americium

alt = Sequential layers of spheres arranged from top to bottom: GRGBGRGB ( G = green, R = red, B = blue )

alt = In an array of earthen colors, a black silhouetted horned figure to the left foreground presides over and addresses a large circle of a tightly packed group of wide-eyed intense, scary, elderly and unruly women.

alt = A black cup-like object hanging by its bottom with blue glow coming out of its opening.

alt = A black man with his arm around a black boy speaks into a microphone held by a person out of view.

alt = An aging black man in front of a microphone

alt = An aging black man in semi-profile

alt = The name Led Zeppelin in irregular capitals in black and white

alt = A black and white photograph of an airship near a mooring mast exploding at its stern.

alt = A black and white photograph of Robert Plant performing with microphone stand and Jimmy Page with guitar

alt = A black and white photograph of Robert Plant with a tambourine and Jimmy Page with an acoustic guitar seated and performing

alt = A black and white photograph of John Bonham playing drums

alt = A black and white photograph of John Bonham wearing a headband and behind the cymbals of a drum kit

alt = A black and white photograph of Jimmy Page playing a double-necked guitar

alt = A black and white photograph showing a headshot of Robert Plant with a microphone in hand

alt = Shield bearing many quarterings held between a black eagle and a lion and surmounted by a crowned helm

alt = Oval black and white painting of a man with a prominent shirt collar and necktie

alt = Black and white sketch of a sombre looking man wearing a long black coat.

alt = Small white disks representing the northern stars on a black background, overlaid by a circle showing the position of the north pole over time

alt = A portion of a painting showing a young girl in a red jacket and pleated black skirt with her arm draped over the shoulder of a young boy, who is dressed in a blue tunic and black pants and looks back over his shoulder at the viewer.

alt = A black and white photo of a rugby field in which three men in military uniform, one of whom is King George, present a silver trophy to a rugby player dressed in black kit.

alt = Black and white drawing showing Latin script surrounding two concentric circles with two black dots inside the inner circle

alt = Photo showing irregular black, red, and yellow areas on curved surface with thin, curved red lines projecting upwards from the surface.

alt = Photo of black spots surrounded by grey areas on mottled white surface.