There is a total of 21190 clues beginning with si
- Site of the Piltdown Man hoax
- Site of the pineal gland
- Site of the Pison
- Site of the Plaza Mayor
- Site of the Pont de Normandie
- Site of the Potala Palace
- Site of the Potemkin mutiny
- Site of the Potemkin Stairs
- Site of the presidential Malacanang Palace
- Site of the presidential Mariyinsky Palace
- Site of the Pro Football Hall of Fame
- Site of the Pueblo revolt of 1680
- Site of the Quirinal
- Site of the rite stuff?
- Site of the Rodin Museum
- Site of the Ronald Reagan Presidential Library and Center for Public Affairs
- Site of the Rongbak Glacier
- Site of the Royal Botanic Gardens
- Site of the Royal Botanical Gardens
- Site of the San Carlo Opera
- Site of the second leg of the English Triple Crown
- Site of the semicircular canal
- Site of the Shandog Peninsula
- Site of the Shwe Dagon Pagoda
- Site of the Sibelius Monument
- Site of the siege of Candia
- Site of the Siege of the Alcázar
- Site of the Silver Bullet roller coaster
- Site of the smallest bone in the body
- Site of the smithy of Cyclops
- Site of the smithy of the Cyclops
- Site of the Sorbonne
- Site of the Sphinx
- Site of the sphinx
- Site of the statue "Christ the Redeemer," familiarly
- Site of the Sun Bowl
- Site of the surrey's fringe
- Site of the Swiss Bundeshaus
- Site of the Taj Mahal
- Site of the Taj Mahal
- Site of the Taj Majal
- Site of the Tell legend
- Site of the Temple of Hephaestus
- Site of the Temple of Karnak
- Site of the Temple of the Trung Sisters
- Site of the ten plagues
- Site of the third Ali-Frazier bout
- Site of the Three Gorges Dam
- Site of the tomb of Muhammad
- Site of the tree of life
- Site of the tree of life
- Site of the Trojan War
- Site of the Trylon and Perisphere: 1939
- Site of the turning point
- Site of the U of Maine
- Site of the UN Conference on Climate Change, 1997
- Site of the US continent's geographical midpoint
- Site of the US's only royal palace
- Site of the UN
- Site of The University of Maine
- Site of the University of Texas
- Site of the USDA's National Animal Disease Center
- Site of the USS Cole bombing
- Site of the vale sacred to Apollo
- Site of the Vatican bank
- Site of the Viking Ship Museum
- Site of the vocal cords
- Site of the volcano Haleakala
- Site of the volcano Mount Agung
- Site of the volcano Olympus Mons
- Site of the Wailing Wall
- Site of the War of 1812 Museum
- Site of the West Coast's first lighthouse
- Site of the William Tell legend
- Site of the Winter X Games
- Site of the Witch House
- Site of the witch's demise in "Hansel and Gretel"
- Site of the Woodrow Wilson Sch of Public and Intl Affairs
- Site of the World Health Organization's headquarters
- Site of the World Islands
- Site of the World Museum of Mining
- Site of the World Trade Organization's headquarters
- Site of the world's first subway
- Site of the world's largest marine protected area
- Site of the world's largest mosque
- Site of the world's largest naval station
- Site of the world's largest parliament building
- Site of the world's largest single reservoir of natural gas
- Site of the world's largest telescope
- Site of the world's tallest building
- Site of the world's tallest building, 1880-84
- Site of the world's tallest mountains
- Site of the Wright brothers' bicycle shop
- Site of the Yalta Conference, 1945
- Site of the Zambezi River bridge
- Site of Theban ruins
- Site of Theo Roosevelt Natl Park
- Site of this puzzle's thematic features
- Site of Thomson's blast
- Site of Thornton Wilder's bridge