Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

From horses to stainless-steel trucks, this iconic Providence burger wagon is one of the oldest mobile diners in the country.

Rumors of the occult haunt this upscale 1920s hotel.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

The first overseas server for Facebook in Sweden's tundra.

The world's first purpose-built indoor shopping mall opened in Sweden in 1955.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

What looks like a birch tree smushed between two pieces of glass often confounds commuters.

Hidden in plain sight, Sweden's official ordnance datum is now abandoned.