A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

This grand gothic brewery has been pumping out suds for over a hundred years.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Obscure Freemasons still live in D.C.’s largest private residence.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

A historic arena where the Beatles played their first concert in the U.S.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

The most accurate timepiece in the world.

The oldest house in Washington, D.C. wasn't originally constructed in the nation's capital.

A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.

When it comes to handsignals (and colonialism) rock always beats scissors.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

This apartment building designed by a notable Washington D.C. architect housed the Qing Dynasty's Legation.

A painfully obvious spy house sits right across the street from the Russian Embassy.

Through the decades, Black music stars have performed at this historic hub for music and the arts.

The first memorial dedicated solely to the Black troops who fought for the Union.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

There's a crumbling old mansion inside the Smithsonian National Zoo.

There’s a special club house at the top for the bell ringers.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

The district's only illusionarium supports free writing programs for local students with every purchase.