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

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

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

The national park was once a plantation estate.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

The United States Capitol's former columns still stand.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

This historic mansion was built as a symbol of love between a husband and wife.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

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

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

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.