A much-maligned monument to teetotalism.

A diminutive plaque recalls the treetop sniper who almost killed Abe Lincoln.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

Go take a picture with the inventor of the daguerreotype photographic process.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

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

The towering figures were created from the cemetery's fallen old-growth trees.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

Where the U.S. government kept its actual treasure, before Fort Knox.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

A haunting tribute to pioneering photographer Clover Adams.

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

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

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.