A giant scale model giving a sneak peek at what urban planners see for Shanghai by 2020.

The birthplace of modern China.

This memorial park is also the original site of Queen Cleopatra’s Caesareum, whose pillars now stand in London and New York.

Hidden away in a back alley, this Art Nouveau cafe has been in business since 1882.

The lost library of Alexandria, revived as a spearhead of cultural preservation.

A preserved oasis with traditional Andalusian-style architecture and beautiful views of the Nile.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

Nature and art meet in this curvy creation

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

A park where you can watch the highway zoom past.

A medical facility that has been kept frozen in time.

This Indianapolis landmark offers a secret panoramic view of the city. 

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

A monument to the King's final show, complete with a time capsule.

The building is topped by a Statue of Liberty statue whose torch has stayed burning since the museum opened.

One of the few beardless depictions of Lincoln, George Grey Barnard's 1917 statue was denounced by many—including Lincoln's own son.

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

New York's oldest and possibly grandest keeper of books.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

A controversial magical figure is hidden within a diorama of the city.

Recovered suit of a cannibalistic West African gang.