Thomas T. Gaff House

The Cathedral of St. Matthew the Apostle in Washington D.C., most

The Van Ness Mausoleum was designed by George Hadfield. It is said to

Dumbarton Oaks is a 19th century Federal-style mansion with famous

The Islamic Center of Washington is a mosque and Islamic cultural

Cascading Waterfall, is a public artwork by American artist John

The White House Conference Center is an annex building of the White

Ben's Chili Bowl is a landmark restaurant in Washington, D.C., located

The White House Rose Garden is a garden bordering the Oval Office and

Schloss Moritzburg is a Baroque castle in the municipality of

The Fairmont Château Laurier is a landmark hotel in downtown Ottawa,

Waddesdon Manor is a country house in the village of Waddesdon, in

The Château d'Artigny was built between 1919 and 1928 in the Commune

Euxinograd (Bulgarian: Евксиноград, pronounced ], also transliter