These cabins mark the site where our 11th president was born (probably).

Inside a state forest, the forgotten remains of a Cold War defensive installation.

This eclectic homestead is home to a miniature windmill and Connecticut's last tollbooth.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

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

The walls of the iconic dome are hollow and have a secret stairway.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The world’s first penitentiary, meant to be humane, drove men insane.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

A beautiful Gilded Age hotel in the White Mountains with surprising diplomatic history.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

This tiny patch of arid sand sits in one of the greenest states in the United States.

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

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A contemporary fresco movement illustrates the region's rich history.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Its columns were all carved from the same white oak tree.

A historic Montreal market that was the city's agricultural hub for over century.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

100 massive sculptures in the Hudson River Valley.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.