Cobblestone - 2016 - April
Cobblestone - 2016 - April Man-made marvels
The Brooklyn Bridge.
The Golden Gate Bridge.
The Washington Monument.
The Statue of Liberty.
The Empire State Building.
The Hoover Dam.
The Interstate Highway system.
The Gateway Arch.
The Brooklyn Bridge.
The Golden Gate Bridge.
The Washington Monument.
The Statue of Liberty.
The Empire State Building.
The Hoover Dam.
The Interstate Highway system.
The Gateway Arch.