It's the most beautiful time of the year at the White House.
The West Wing, East Wing, and every room in-between are decked out in elaborate decorations to celebrate the holidays.
On November 23, first lady Melania welcomed the official, 18 1/2-foot tall White House Christmas tree as it arrived from West Virginia. As is tradition, the decorations at 1600 Pennsylvania Ave. were revealed on November 30, the Monday after Thanksgiving.
Here's a look back at presidential Christmas celebrations, going all the way back to the 1800s.
SEE ALSO: 12 Photos show how first lady Melania Trump decorated for their final Christmas in the White House
DON'T MISS: 16 behind-the-scenes photos show the White House being decorated for Christmas
The White House halls have been decked for the holidays every December since John and Abigail Adams held the first White House Christmas party in 1800.
Source: History.com
Every president has brought their own traditions into the White House. Grover Cleveland, for example, lit up the first Christmas tree inside the White House to the delight of his young daughters.
Source: WhiteHouseHistory.org
Calvin Coolidge was the first president to host a public Christmas celebration at the White House, with the first National Christmas Tree lighting in 1923.
Source: WhiteHouseHistory.org
The tree lighting ceremony and the president's participation has been a yearly tradition since then.
Source: WhiteHouseHistory.org
Glowing trees lit up a side entrance to the White House in 1931.
Franklin Roosevelt spent ten consecutive Christmas holidays in the White House and emphasized the importance of family during the holiday season.
Source: WhiteHouseHistory.org
FDR invited four generations of family into the White House for Christmas. His children and grandchildren enjoyed spending Christmas Eve in the presidential residence to partake in two of Roosevelt's favorite holiday traditions: Hanging stockings and reading, "A Christmas Carol."
Source: WhiteHouseHistory.org
Children joined Roosevelt at the White House to ring in Christmas 1940 with Christmas carols.
President Harry Truman welcomed some unusual guests to the White House for December 1948 when he was gifted turkeys for his Christmas dinner.
Here, President Dwight Eisenhower and first lady Mamie Eisenhower pose with their family in 1958 on the Christmas tree-lighted North Portico of the White House.
Eisenhower's first family also posed for a Christmas Eve picture in front of a tinsel-covered tree.
First lady Jacqueline Kennedy began the tradition of themed White House decorations with Tchaikovsky's "Nutcracker Suite" taking over the Blue Room in 1961. Here, first daughter Caroline admires the tree before a party for employees.
In 1962, the White House Christmas tree was decorated with ornaments inspired by children, including candy canes and gingerbread cookies.
Source: WhiteHouseHistory.org
Despite Jackie's decorating efforts, the Kennedy family chose to celebrate Christmas Day in Palm Beach.
Source: JFK Library
A banner with a holiday sentiment was hung for the annual Christmas Pageant of Peace on the Ellipse, in front of the White House, in 1963. Flags were ordered to fly half-mast through December, mourning the November death of President Kennedy.
The Johnson family included a five-foot red, green, and gold piñata in the main hall.
In 1967, President Johnson, Lady Bird, and Yuki, the White House dog, spent the holiday beside that year's Christmas tree, a Norway spruce.
Here, the Johnson family poses in front of a Christmas tree in the Yellow Oval Room.
Source: LBJ Library
Christmas in the Nixon White House was a lively affair. First Lady Pat Nixon told Empire Magazine their holiday traditions included the president playing "Rudolph the Red Nosed Reindeer" on the piano for friends and family.
Source: Nixon Library
Another Nixon tradition was to decorate their Christmas trees with decorations made by disabled workers. The 1969 tree, dubbed the "American Flower Tree," was decorated with velvet and satin ornaments featuring each state's flower.
Source: WhiteHouseHistory.org
Gerald Ford brought two dates to the White House Christmas ball in 1975: his wife Betty and his daughter Susan.
Source: FordLibraryMuseum.gov
First Lady Betty Ford presented the official White House Christmas tree in 1976. At that year's lighting, President Ford said that as a former National Parks ranger he was proud to have real trees throughout the White House.
Source: National Parks Service
Many presidents have included their children and grandchildren in public White House traditions while in office. Jimmy Carter's daughter, Amy, helped him light his first National Christmas Tree in 1977.
Source: AP
The Reagans really got into the holiday spirit when they lived at 1600 Pennsylvania Avenue. Ronald Reagan dressed up as Santa Claus for a Christmas Eve party in 1983 ...
Source: Ronald Reagan Presidential Library
... and First Lady Nancy Reagan sat on a different Santa's lap.
Source: ABC News
In 1984, then-second lady Barbara Bush helped place the star on top of the national Christmas tree on the Ellipse.
The Reagans also commissioned artists to paint scenes from inside the Executive Mansion during the holiday season for their annual Christmas card. Many presidents, including Barack Obama, Bill Clinton, and both George W. Bush and George H.W. Bush, have since followed suit.
Source: Front Gate
The Reagan White House incorporated pop culture into their playful decorations. Here, the first lady glances toward ALF during a children's Christmas party at the White House.
Christmas during the first Bush administration was a family affair. Here, George H.W. Bush shows his grandchildren the Oval Office Christmas tree in 1991.
Source: CBS News
Bush's grandchildren were treated to a story with the president when they spent Christmas Eve at the White House in 1991.
George Bush Sr. celebrated all four of his Christmases as president at Camp David, plus eight more holidays while his son was president.
Source: Washington Times
First lady Hillary Rodham Clinton adorned the 1993 Christmas tree with what she described as both "elegant" and "funky" ornaments.
Source: The Los Angeles Times
The Clinton White House had plenty of edible decorations each year. Over the course of several years, the Clinton's enjoyed gingerbread house versions of the Washington Monument, Mount Vernon, and even a replica of Hillary's childhood home.
Source: WhiteHouseHistory.org
The Bush's "Red, White and Blue Christmas" theme was inspired by letters the president and first lady received after September 11th.
Source: WhiteHouseHistory.org
George W. and Laura Bush celebrated a patriotic-themed Christmas in 2008 to commemorate their final Christmas in the White House and the election year.
Source: WhiteHouseHistory.org
The Obamas celebrated friends, family, and the freedoms enjoyed by Americans with their "simple gifts" White House theme.
Barack Obama got really into the National Christmas Tree lighting in 2014. The president joined celebrities and Santa Claus on stage for a festive dance.
Source: ABC News
For the Obamas' last year in the White House, larger-than-life replicas of their dogs Bo and Sunny added a playful and personal touch to the decorations.
The first Christmas of the Trump White House celebrated the theme "Time-Honored Traditions," for which first lady Melania welcomed children for wreath-making.
The official 2018 Christmas theme in the Trump White House was "American Treasures," meant to honor the unique heritage of the country.
Source: Business Insider
Last year's decorations included a number of eye-catching pieces, including 40 crimson topiaries.
Source: Business Insider
According to the White House, more than 100 open houses and many receptions will happen through the month of December, and more than 30,000 visitors will see the decorations in person during public tours.
Source: Business Insider
The first lady kept things more traditional for the 2019 decorations with the theme of "The Spirit of America."
Source: Business Insider
The annual gingerbread house — clocking in at more than 300 lbs — was flanked by American monuments like the St. Louis arch and the Golden Gate Bridge.
Source: Business Insider
Playful details included Scrabble tiles spelling out words for Melania's "Be Best" anti-bullying campaign and these mini trees made out of playing cards.
Source: Business Insider
The East Colonnade glittered with clear panels depicting a timeline of American architecture and famous landmarks.
Source: Business Insider
In 2020, the White House went with the theme "America The Beautiful," offering a "tribute to the majesty of our great Nation."
Source: The White House
Small details throughout the latest decorations honor major themes like 100 years of the 19th amendment and wildlife in the US as part of the Trump's last Christmas in the White House.
Source: The White House
Handmade ornaments in the Red Room honored "first responders and frontline workers" amid the coronavirus pandemic who "serve their communities with a spirit of generosity," the White House said.
Source: The White House