It houses the remains of a 17th-century version of the Titanic.

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

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

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A former major munitions plant that has been converted into a sprawling art space.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

The romance of early commercial flight still fills this Art Deco destination.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

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

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The oldest continuously operating fish market in the United States.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A line of blue paint marks the route of the inaugural parade.

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

Washington's iconic carousel has a nice piece of Civil Rights history.

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

Fittingly, America's museum of architecture is itself a magnificently designed old building.

A bright little alley in La Boca is a part of tango history.