Take a look inside Franklin D. Roosevelt's 21,000-square-foot mansion where he entertained royals and world leaders

Tech Insider : Business, Style, Technology
Springwood, FDR's home in Hyde Park, New York.
Springwood.

Talia Lakritz/Business Insider

See inside the E-4B 'Nightwatch,' nicknamed the 'doomsday plane' for its ability to help US presidents survive nuclear war

Tech Insider : Business, Technology, Travel
An E-4B plane.
The E-4B "Nightwatch" is also known as the "doomsday plane."

Justin Oakes/US Air Force

Before-and-after photos show changes Trump has made to the White House decor, so far

Tech Insider : Politics, Business
Gold ornaments in Donald Trump's Oval Office.
President Donald Trump redecorated the Oval Office.

SAUL LOEB/AFP via Getty Images

Photos show the USS Sequoia, the US presidential yacht once known as the 'floating White House'

Tech Insider : Politics, Business, Style
The USS Sequoia on the water.
The USS Sequoia served as the presidential yacht.

YURI GRIPAS/AFP via Getty Images

Take a look inside Camp David, where presidents host world leaders and escape Washington

Tech Insider : Politics, Business, Travel
George W. Bush Lee Myung Bak Camp David
Then-US President George W. Bush, right, and then-South Korean President Lee Myung Bak laugh as they leave their joint news conference after their meeting at Camp David on April 19, 2008.

Dennis Brack-Pool/Getty Images

Photos show how Camp David, the president's private escape, has changed through the years

Tech Insider : Politics, Business, Travel
Ronald Reagan in a lounge chair at Camp David.
Ronald Reagan at Camp David.

Bettmann Archive/Getty Images

How the US voted in every election, from George Washington to Donald Trump

Tech Insider : Politics, Politics

The United States has had 60 presidential elections, starting in 1789. New parties have come and gone, while new states expanded the electoral map. Maps show us how each state has voted over time — and who have been the winners and losers along the way.

6 first kids who didn't see eye to eye with their presidential dads

Tech Insider : Politics
Ivanka
Donald Trump speaks as his daughter Ivanka Trump looks on.

Alex Wong

Vintage photos show how presidential limousines have changed, from open convertibles to Biden's $1.5 million armored Cadillac known as 'The Beast'

Tech Insider : Politics
Reagan
President Ronald Reagan waves from the back of his limousine in 1984.

Ronald Reagan Library/Getty Images

Trump used note cards. So did W. Bush and the presidents before him. Should we worry that Biden uses them, too?

Tech Insider : Politics
Hands of President Joe Biden holding a note card.
President Joe Biden holds a note card before delivering remarks. His use of cheat sheets has recently sparked some concerns from donors, according to a report.

Mandel Ngan/AFP via Getty Image

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