This marker at the entrance to the Humphreys Engineer Center honors the former Chief of the Army Corps of Engineers.

Home to a 27 room house, this estate was crafted by Black entrepreneur Olander Banks Sr.

This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

A museum dedicated to a unique ecosystem.

A small and somewhat hidden memorial to 68 local veterans of the Vietnam War.

The only remaining African American schoolhouse in northern Virginia is now a museum dedicated to formerly enslaved people.

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

Hidden in the forest atop a long, winding driveway is this stately home.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

Lady Liberty's original designer installed a little clone in this French fountain.

The world's largest reflecting pool is just two centimeters deep.

Twice a day, the water of the Petitcodiac River flows upstream in a surfable wave.

This monster fiberglass crustacean stands watch over the self-proclaimed "lobster capital of the world."

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

A mysterious spot where the laws of gravity seem not to apply.

Iconic rock formations that allow for exploration during high or low tide.

This Canadian monument to the man who invented the telephone allows visitors to get up close and personal with the artifacts of his life.

The first "applecore" style lighthouse in Nova Scotia.

This historic cemetery stopped accepting bodies before many Canadian cities were founded.

The final resting place of 121 victims of the RMS Titanic, 42 of which may never be identified.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

Rusty red sands line the shores of this Canadian Province.

This small pedestal marks the spot of the first lot of land sold in Alexandria, Virginia in 1749.