![Castillo de San Marcos](https://c1.vgtstatic.com/thumb/4/3/433-v2/castillo-de-san-marcos.jpg)
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!['Seagram Building' by Mies van der Rohe](https://c2.vgtstatic.com/thumbll/4/0/40437-v1/seagram-building-by-mies-van-der-rohe.jpg)
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![Dr. Samuel D. Mercer House](https://c2.vgtstatic.com/thumbll/2/1/218236-v1/dr-samuel-d-mercer-house.jpg)
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![Ballymun Towers](https://c1.vgtstatic.com/thumb/2/2/22091-v1/ballymun-towers.jpg)
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![Giant Dixie Cup](https://c2.vgtstatic.com/thumbll/4/0/40043-v1/giant-dixie-cup-1.jpg)
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![Roseland Cottage](https://c2.vgtstatic.com/thumbll/1/3/138647-v1/roseland-cottage.jpg)
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![Carson Mansion](https://c1.vgtstatic.com/thumb/1/6/165595-v1/carson-mansion.jpg)
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![Boston Massacre Site](https://c1.vgtstatic.com/thumb/1/0/109507-v1/boston-massacre-site.jpg)
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![Madam Marie](https://c2.vgtstatic.com/thumbll/5/4/54903-v1/madam-marie.jpg)
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![Old Warner Brothers Studio](https://c2.vgtstatic.com/thumbll/5/6/56032-v1/old-warner-brothers-studio.jpg)
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![Caparra Ruins - First Spanish Settlement](https://c1.vgtstatic.com/thumb/2/6/26379-v1/caparra-ruins-first-spanish-settlement.jpg)
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![London Bridge, Arizona](https://c2.vgtstatic.com/thumbll/5/6/5607-v2/london-bridge-arizona.jpg)
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![35 East Wacker Drive](https://c2.vgtstatic.com/thumbll/1/0/104259-v2/35-east-wacker-drive.jpg)
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![U.S Airmail Beacon System Arrow #48](https://c1.vgtstatic.com/thumb/1/9/195757-v1/u-s-airmail-beacon-system-arrow-48.jpg)
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![Sloppy Joe's](https://c1.vgtstatic.com/thumb/1/8/187709-v1/sloppy-joes.jpg)
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![Site of Phillips Field/Majors Stadium](https://c1.vgtstatic.com/thumb/1/2/124472-v1/site-of-phillips-field-majors-stadium.jpg)
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![U.S Airmail Beacon System Arrow #1](https://c1.vgtstatic.com/thumb/1/9/195434-v2/u-s-airmail-beacon-system-arrow-1.jpg)
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!['Tetraeder Bottrop' by Wolfgang Christ](https://c2.vgtstatic.com/thumbll/2/1/21803-v1/tetraeder-bottrop-by-wolfgang-christ.jpg)
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![Old Slave Mart](https://c2.vgtstatic.com/thumbll/1/4/148688-v2/old-slave-mart.jpg)
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![Desert View Watchtower](https://c1.vgtstatic.com/thumb/4/6/46307-v1/desert-view-watchtower.jpg)
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![Basotho Hat Building](https://c1.vgtstatic.com/thumb/2/1/21938-v1/basotho-hat-building.jpg)
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![Rockefeller Center Lower Plaza & Rink](https://c1.vgtstatic.com/thumb/1/1/118026-v2/rockefeller-center-lower-plaza-rink.jpg)
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![A. Everett Austin House](https://c2.vgtstatic.com/thumbll/1/3/138648-v1/a-everett-austin-house.jpg)
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![The Battery](https://c2.vgtstatic.com/thumbll/2/2/229582-v1/the-battery.jpg)
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![Morse/Libby House AKA Victoria Mansion](https://c2.vgtstatic.com/thumbll/1/2/122076-v1/morse-libby-house-aka-victoria-mansion.jpg)
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