BuzzFeed Unsolved: True Crime - Season 7

As the saying goes – they probably seemed like good ideas at the time. The world is peppered with examples of incredible engineering projects and buildings designed to make life easier for those that used them, amaze those that came to see them, and make money for those that ordered, designed and built them. They were the stuff of dreams. Often enormous engineering problems had to be resolved, obstacles overcome and new innovations employed just to get them built in the first place. Alas, a great number of these remarkable structures have now been abandoned, cast aside like enormous expensive out-of-date toys, never to be used in the ways for which they were intended. Each and every one of these extraordinary places is home to a wealth of powerful and compelling stories. We'll see and hear about some of the most spectacular examples of abandoned engineering the world has eve...

Emmy Award and Grammy Award winner Jimmy Fallon brought NBC's "The Tonight Show" back to its New York origins when he launched The Tonight Show Starring Jimmy Fallon from Rockefeller Center. Fallon puts his own stamp on the storied NBC late-night franchise with his unique comedic wit, on-point pop culture awareness, welcoming style and impeccable taste in music with the award-winning house band, The Roots.

Seth Meyers, who is Saturday Night Live's longest serving anchor on the show's wildly popular "Weekend Update," takes over as host of NBC's Late Night — home to A-list celebrity guests, memorable comedy and the best in musical talent.

As the Emmy Award-winning head writer for "SNL," Meyers has established a reputation for sharp wit and perfectly timed comedy, and has gained fame for his spot-on jokes and satire. Meyers takes his departure from "SNL" to his new post at "Late Night," as Jimmy Fallon moves to The Tonight Show.

In Boston Blue, NYPD Detective Danny Reagan takes a position with Boston PD. Once in Boston, he is paired with Detective Lena Peters, the eldest daughter of a prominent law enforcement family.

Anne Rice's Mayfair Witches centers on an intuitive young neurosurgeon who discovers that she is the unlikely heir to a family of witches. As she grapples with her newfound powers, she must contend with a sinister presence that has haunted her family for generations.