As estate sales of the über-wealthy go, the Ann and Gordon Getty Collection sell-off at Christie’s last year was a major success. Across 2,300 sold lots, it netted $200 million for charity, set a ...

The rare 14th-century portolan chart is worth $7.5 million. Robert Gauthier / Los Angeles Times / Getty Images Last fall, Christie’s auctioned off a “highly unusual” nautical map as part of an estate ...

Alex Clausen is a map dealer. And although that designation may not, at first read, exude adventure and romance, Clausen really is a modern-day treasure hunter. He doesn’t sail the seas in search of ...

WASHINGTON — John Hessler, mathematical wizard and the senior cartographic librarian at the Library of Congress, slipped into the locked underground vaults of the library one morning last week.

NEW YORK — Not much is known about how Renaissance cartographer Martin Waldseemüller created his 1516 "Carta marina" world map, possibly the most up-to-date conception of the world at the time. But ...

A rudderless mystery that aims to reinvent Boys Own treasure-hunt yarns for modern tastes, "The Nautical Chart's" leaking plotline struggles to keep the pic afloat. A rudderless mystery that aims to ...