An overlooked memorial honoring the local Washington residents who died in World War I.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

The "lovely red Vega" of the legendary record-settling pilot.

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

There’s a hidden military meme engraved on the World War II Memorial.

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

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

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

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.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

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

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

The world's only bushplane museum captures the spirit of the early planes and pilots and their contributions to northern life in Canada.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This giant roadside goose has been hailing travelers into a small Ontario town for over 50 years.

Possibly the world's largest coin stands just outside of a Canadian science center.

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.

This missionary's legacy looms large over the Upper Peninsula of Michigan—literally.

"The Most Boring Road in the State."

A comedy troupe's collection of bizarre humor.

A bizarre house filled with an astounding array of collections.