A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

Every year, the colorful murals of Montreal get a complete makeover.

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.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

A winding, cliffside stretch of road overlooking the Delaware River.

This elaborate towering structure was once famed for its revolutionary height.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An interesting look into 18th-century American history.

Looming communist pillar with a Czech twist.

The United States Capitol's former columns still stand.

This Masonic lodge was the first major private building to be constructed in Washington, D.C. after the Civil War.

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

The only Leonardo Da Vinci painting in the Western Hemisphere.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

Garments from across the globe call this hidden gem home.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The National Park Service’s best-kept secret with views that rival any in D.C.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

A portal into the bricked up canal that runs through the heart of Washington D.C.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

Perhaps the most scandalous statue of America's first president.

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