Why the Library of Congress belongs on your DC itinerary
Most visitors walk straight past it on their way to the Capitol — and that is a mistake. The Library of Congress, founded in 1800, is the largest library in the world, and its main visitor building — the Thomas Jefferson Building at 10 First St SE, Washington, DC 20540 — is one of the most jaw-dropping interiors in America. Gilded Age marble, sweeping staircases, murals and mosaics in every direction, and treasures that changed history: a Gutenberg Bible, Thomas Jefferson’s own library, and the magnificent Main Reading Room glowing beneath its dome.
Best of all: it is completely free. You just need to reserve a free timed-entry ticket in advance on loc.gov. This guide covers everything for a 2026 visit — tickets, what to see inside, tours, getting there, and how to pair it with the Capitol — and our video walkthrough shows it all in motion.
Watch the video guide
Prefer video? This is the companion guide on our YouTube channel.
Tickets: free, but you must reserve ahead
Admission to the Library of Congress is free, but free timed-entry tickets are required to enter the Thomas Jefferson Building. Reserve them online at loc.gov/visit before your trip: tickets are released 30 days in advance, and they do run out on busy days. Missed the advance window? A limited number of free same-day tickets are released online each morning at 9 a.m. ET — set an alarm.
Visitor hours are Tuesday through Saturday, 10 a.m. to 5 p.m., with last entry at 4:30 p.m. The building is closed Sundays, Mondays, and federal holidays, so plan around that. Expect airport-style security screening — metal detectors and bag X-rays run by the U.S. Capitol Police — and leave the big bags at your hotel. Groups of 21 or more need to register separately through the Library’s group form.
The Great Hall: the most beautiful room in Washington
Step through the doors and stop. The Great Hall is the reason to come: twin marble staircases sweeping upward, seventy-five feet of vaulted ceiling painted with murals and gold leaf, stained-glass skylights, and sculptures at every turn. It was built in the 1890s as a temple to knowledge, and it still feels like one. Give yourself a slow ten minutes here before you do anything else — look up, look down at the marble mosaic floor, and find the Minerva mosaic watching over the second floor.
The Main Reading Room: look, but from above
The Main Reading Room is the postcard shot — a great domed chamber ringed with books and crowned by Edwin Blashfield’s mural of the twelve figures representing the world’s contributions to knowledge. One honest caveat: the room itself is reserved for credentialed researchers, so general visitors view it from the overlook above rather than walking the floor. The view is still spectacular, and the Library occasionally holds special open events where visitors can step inside — check loc.gov’s events calendar before your trip.
Treasures: the Gutenberg Bible and Jefferson’s library
Two exhibits stop even the most museum-weary visitors in their tracks. The Gutenberg Bible — one of only a handful of complete copies of the first major book printed with movable type, around 1455 — sits in its case in the Great Hall, open and impossibly old. Nearby, Thomas Jefferson’s original library is displayed on mahogany shelves: after the British burned the Capitol in 1814, Jefferson sold Congress his personal collection of more than 6,000 books, and that purchase became the seed of the Library as we know it. Stand between the two and you are standing between the birth of printing and the birth of this library.
Tours: what’s actually available
The Library offers a limited number of guided tours for small parties, bookable through the same ticketing system on loc.gov — grab one if you see availability, because docents unlock stories the plaques skip. Beyond that, roaming volunteers stationed through the Jefferson Building will happily answer questions, give directions, and share the building’s history. For the deepest experience, the Library’s virtual programs and online exhibitions on loc.gov let you explore collections — from Rosa Parks’ papers to the first maps of the New World — before or after your visit.
Getting there: take the Metro
The Jefferson Building sits at 10 First St SE, directly across the street from the U.S. Capitol and next door to the Supreme Court. Take the Blue, Orange, or Silver Line to Capitol South — it is the closest station, a short walk away. There is no public parking at the Library, so Metro is strongly recommended; driving and hunting for Capitol Hill street parking will cost you more time than the visit is worth. Our DC Metro guide covers the system.
Pair it with the Capitol and the Supreme Court
This is the easiest triple-header in Washington. The U.S. Capitol is directly across First Street — book its own free tour tickets separately at visitthecapitol.gov, since Capitol tours and Library tickets are different systems. The Supreme Court sits just north of the Library and offers its own exhibitions and lectures when court is not in session. Do the Capitol in the morning, the Library after lunch, and you have covered the three branches of American power in a single day.
Bonus: Live! at the Library on Thursday nights
If your trip includes a Thursday, consider the evening. Live! at the Library opens the Jefferson Building Thursdays from 5 to 8 p.m. with music, performances, conversations, and drinks and snacks for purchase in the Great Hall overlooking the Capitol — the building after dark is a different, warmer place. Free timed-entry tickets for the 5 p.m. entry are required; reserve them on loc.gov like any other visit.
Library of Congress FAQs
Is the Library of Congress free to visit?
Yes — admission is completely free. You do need to reserve a free timed-entry ticket in advance on loc.gov: tickets open 30 days ahead, and a limited number of same-day tickets are released each morning at 9 a.m. ET.
Can visitors go inside the Main Reading Room?
No. The Main Reading Room is reserved for credentialed researchers; general visitors admire it from the overlook above. The Library occasionally holds special open events where visitors can step onto the floor — check the events calendar on loc.gov.
How do I get to the Library of Congress by Metro?
Take the Blue, Orange, or Silver Line to Capitol South station, a short walk from the Thomas Jefferson Building at 10 First St SE. There is no public parking at the Library, so Metro is the way to go.
Is the Library of Congress really the largest library in the world?
Yes. Founded in 1800, the Library of Congress holds the world’s largest collection of books, manuscripts, maps, photographs, and recordings. The Thomas Jefferson Building is the grand 1890s building open to visitors.
Prefer video? Watch our Library of Congress tour on our YouTube channel.
Hero photo: Great Hall of the Library of Congress via Wikimedia Commons (CC BY-SA 3.0, Diliff). Main Reading Room mural photo (public domain, Carol M. Highsmith / Library of Congress) and Gutenberg Bible photo (CC0) via Wikimedia Commons.
