For more than 25 years, “Dateline“ has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. Hosted by Emmy-winning journalist Craig Melvin, the show explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

For more than 25 years, Dateline has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. It explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

杰出的二战历史学家詹姆斯·霍兰德深入探究纳粹战争机器。他穿越欧洲，探寻纳粹制造的那些非凡机械，还挖掘出罕见的档案资料，以了解这些机械是由谁制造的、如何发展演变，以及为何这些技术上堪称卓越的设计在军事运用中却存在缺陷。第一集：德国空军 第二次世界大战爆发时，纳粹拥有当时……地区最优秀的空军。

《冰中秘密》第三季前往地球上最偏远、寒冷且环境恶劣的地方，揭开那些曾经被时间冻结的重大谜团。该系列融合了计算机生成图像（CGI）重现、先进扫描技术和科学研究，对那些已失传数千年或从未被人见过的奇事进行调查。它探寻这些秘密是如何以及为何最终出现在……

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.

在全球范围内，宏伟的建筑傲然挺立，历经岁月的洗礼。当世界不断向前发展，它们却宛如沉默的哨兵，守护着往昔的生活。而如今，它们的神秘与秘密将不再被尘封……倘若这些墙壁能够开口说话，倘若我们能穿越世界上那些最令人惊叹的防御工事的壁垒，让它们重焕生机，那会怎样呢？究竟隐藏着什么秘密……

我们的世界留存着许多充满奥秘的遗迹，这些遗迹用石头、黄金和历史书写着秘密。揭开这些谜团背后的真相，可能会改变我们所熟知的历史。跟随主持人亚当·马斯特雷利，让我们与这些令人费解的珍宝来一场面对面的邂逅。探索世界的隐秘角落，解读古老的文献，运用开创性的研究和法医技术……

为解开一起谋杀案谜团，调查人员挖出了那些被认为早已尘封的秘密，并与那些不惜一切代价要将这些秘密永远掩埋的人正面交锋。 第1集：沙漠中的秘密 第2集：秘密誓言 第3集：他们身上的迹象 第4集：她母亲的秘密 第5集：十周后 第6集：墓外之事 第7集：楼梯底部 第8集：道路的弯道 第9集：最后的通话……

斯科特新交的女友有一些问题，而这些问题后来成了天大的麻烦。

Matt, Nate and Zoe will discover a new world which will challenge the logic and physics of the Earth. They will meet a new species and new characters that will make their adventure a gloomy path full of insanity, hate and nightmares.