Established in 1910 and located on the National Mall, this prestigious museum, part of the Smithsonian Institution, holds the world's most extensive collection of natural history specimens and human artifacts including the remains of dinosaurs and tools used by early man.

Free time-entry passes are required. Please see the Museum's website for information. The Smithsonian National Air and Space Museum maintains the largest collection of historic air and spacecraft in the world

The Greek Doric-style memorial sits on the western end of the National Mall and has been the setting of many famous speeches throughout its history.

This national art museum holds over 141,000 works of western art, spanning from the middle ages through today. Bonus: It's completely free to visit.

A living memorial to the Holocaust, the United States Holocaust Memorial Museum inspires citizens and leaders worldwide to confront hatred, prevent genocide, and promote human dignity. The Museum is open seven days a week. It is closed on Yom Kippur and Christmas Day. Free timed-entry tickets are required to enter the Museum building and can be reserved on our website.

Though the Library of Congress doesn't own every book ever published, it sure has most of them, with 532 miles of shelves and 115 million items, with 7,000 added each working day.

Please note that tour reservations are required for entry. The Capitol is among the most architecturally impressive and symbolically important buildings in the world. The Senate and the House of Representatives have met here for more than two centuries. Begun in 1793, the Capitol has been built, burnt, rebuilt, extended, and restored; today, it stands as a monument not only to its builders but also to the American people and their government.

Open area of gardens, fountains, trees and monuments stretching nearly two miles between the Capitol and the Lincoln Memorial.

Dedicated to the first U.S. president, this 555-foot obelisk is an iconic American symbol that stands tall in the National Mall.

View the interactive exhibitions and installations, and learn about the role and techniques of espionage throughout history at the International Spy Museum. The brand-new facility houses the largest collection of spy artifacts in the world, as well as first-person accounts from top intelligence officers and experts. Here, children and grown-ups alike can embark on an immersive mission and step into the shoes of a spy. Before you leave, check out the gift shop's offbeat souvenirs. The museum is open every day of the week and can be easily reached with the DC Metro. You can get timed tickets online. – Tripadvisor