Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Huge stone depressions which may have acted as an Incan agricultural experiment.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

The site of the climactic scene from the classic horror film is now a historic landmark.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

This downtown Dallas art installation is always on the lookout.