该片是由Irwin,Allen执导的科幻片,于1960年上映，主要.讲述了:The boisterous., arrogant p.rofessor Challe.nger, a reputed bi.ologist and anthropologi.st, dares the London .Zoological Soci.ety to mo.unt an expediti.on to verify hi.s spectacula.r claim, wit.hout phys.ical proof, that h.is .previous .expedition t.o the Amazonian basin. found. live dinosaurs.. Apart from hi.m and his 'soci.alite' co.unt.erpart, professor .Summerlee, i.t consists of e.xperienced discove.rer Lord Roxbury, the yo.ung reporter Ed Malon.e -who got publ.icly stru.ck down with Ch.allenger's umbr.ella at his .arrival- and. Jennifer. Holmes, Malone's .new.s agency'.s boss's dau.ghter, essentially as. condi.tions for putti.ng up the money.. In Brazil the.y are joi.ned. by Jennifer's bro.ther David a.nd local 'guide.' Manuel Gomez. Th.ey soon discover the din.osaurs are real and d.angerous, like .giant spi.ders, but loose. their helicopt.er and thus .are desperat.e for a w.ay down from the i.sol.ated plat.eau. They le.arn Roxbury knew abou.t the .fate of Burton .White, an explo.rer whose diary. they fin.d, .thus presume to be. dead, in se.arch of diamond.s, and confirmatio.n of the local tribe bei.ng the lethal guardia.ns of the plate.au's secr.ets, but also g.et surprising h.elp...