The Forgotten 13th Avenue That New York City Built and Then Destroyed 

Yesterday we looked at the great "fattening" of New York and all the parts that are built on what basically amounts to trash. But it turns out that parts of the city have also disappeared—and for a few decades, New York even had 13 grand north-south avenues, not 12. » 1/30/15 1:03am Today 1:03am

America's Biggest Cities, Back When They Were Tiny Villages

Everything had to start somewhere — and the biggest cities in the United States are no exception. New York City, Chicago, Houston and other huge metropolises were once beautiful, charming villages. Check out the earliest known maps and images of the quaint little towns that became massive conurbations. » 12/24/14 3:00pm 12/24/14 3:00pm

The Wonderful Geometry Of Budapest's Spiral Staircases

There's just something magical and mysterious about a staircase that goes around and around, letting you glimpse all the levels above or below. Whether they're perfectly round or other shapes, spiral staircases are beautiful. And Budapest is full of Modernist architecture that includes some stairways to wonder. Here… » 12/08/14 3:00pm 12/08/14 3:00pm

A Tour of 'San Fransokyo,' the Hybrid City Disney Built for Big Hero 6

The new movie Big Hero 6 represents the first-ever partnership between Marvel and Disney, two entities known for constructing fantastical universes. So it's not surprising that bringing the story to film also required building an entire city of the future: a blend of Tokyo and San Francisco named San Fransokyo. » 10/07/14 3:52pm 10/07/14 3:52pm

Archaeologists Have Discovered a Very Naughty Puritan in Boston's Past

Boston is a goldmine for urban archaeologists. The city's history goes back hundreds of years, and construction projects often unearth caches of historical items that are have been almost perfectly preserved. Such is the case with a buried outhouse, which revealed the naughty life of the lady who used it. » 9/12/14 12:33pm 9/12/14 12:33pm