A public art jibe at one of the United States’ oldest and longest-serving senators.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

Daily lunch spot for many of Washington, D.C.'s cab drivers.

The world's oldest soul food restaurant is also one of its best.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

The span is crooked and made from two older recycled bridges.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

Concerned residents saved this historic house and garden from demolition.

One of only two sites in the United States containing the remains of Buddha.

An amazing example of Federal-period architecture, truly unique to this region of the state.

These five Art Deco homes were meant to solve the "small house problem."

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

The headquarters of the Audubon Naturalist Society is a small slice of heaven for nature lovers.

The wooded estate of the Forest Service employee responsible for D.C.’s cherry blossom trees.

This massive swimming pool is the high tech home to the human-powered submarine races.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

At this former Prohibition speakeasy, electric birds signaled the arrival of hooch.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

The whole world in one water tank.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.