The Lincoln Memorial in Washington, DC in 1907...
And the Lincoln Memorial 100 years later:
Hong Kong circa 1920...
And Hong Kong today:
The Azure Swimming Pool in Chernobyl before the nuclear disaster...
And the same swimming pool today:
The Mayan temple at Chichen Itza in the 1860s before it was restored...
And the same temple today:
The New York City skyline in 1931...
And the New York City skyline today:
Nickelodeon Studios in the 1990s...
And Nickelodeon studios today:
The great promenade deck of the Titanic in 1912...
And the same deck on the Titanic today:
The "back" of the Hoover Dam prior to the dam being flooded with water...
And the same side of the Hoover Dam today:
Mount St. Helens one day before it erupted in 1980...
And Mount St. Helens today:
Tokyo in March of 1945...
And Tokyo today:
The face of the Statue of Liberty before it was installed onto the monument...
And the Statue of Liberty's face today:
Franklin Delano Roosevelt at the start of his first term as President in 1933...
And this the last picture of Franklin Delano Roosevelt ever taken, snapped just one day before his death in 1945:
Mount Rushmore before the presidential heads were carved into it...
50K people lived in #7 as well, before it was abandoned.