As state highpoints go, this spot is one of the lowest, but for years it was also the hardest to climb.

The idyllic colonial home of the artist behind the famous portraits of George Washington and Thomas Jefferson.

Off a hiking trail in Rhode Island stands a picturesque memorial to a long-forgotten war.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

The largest collection of historic military firearms in the United States.

Hilltop modernist/folk art shrine and gardens dedicated to a Native American saint.

An interesting look into 18th-century American history.

A 10-foot-tall concrete Alley Oop statue left over from World War II now stands on the side of the road.

This retro diner claims to be the birthplace of poutine.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

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

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

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

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

The floating gallery illuminates the heart of Québec City's arts district.

Right next to departures—how convenient!

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

The only Leonardo Da Vinci painting in the Western Hemisphere.

The institution is sitting on a goldmine of 21,000 paints, varnishes, pigments, and primers preserved for posterity.

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

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

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.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.