圣母升天国家朝圣地圣殿 是美国第一座罗马天主教的主教座堂，现在是天主教巴尔的摩总教区的共同主教座堂之一，位于美国马里兰州巴尔的摩。它兴建于1806年到1821年，设计者Benjamin Henry Latrobe是美国第一个受过专业训练的建筑师。1821年5月31日祝圣。
The Howard Peters Rawlings Conservatory and Botanic Gardens of Baltimore, often known as the Baltimore City Conservatory, is a historic…
SS John W. Brown is a Liberty ship, one of two still operational and one of three preserved as museum ships.
The Monocacy Aqueduct — or C&O Canal Aqueduct No. 2 — is the largest aqueduct on the Chesapeake and Ohio Canal, crossing the Monocacy River…
NS Savannah was the first nuclear-powered merchant ship. She was built in the late 1950s at a cost of $46.9 million and launched on July 21,…
