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

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

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

This 1967 experiment in modular architecture was designed to be a new model for urban living.

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

A spectacular tribute to statesman and philanthropist Andrew Mellon.

Washington D.C.'s most famous pianist, composer, and bandleader still tickles the ivories outside Howard Theater.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

The only tennis court that falls under the jurisdiction of the central bank.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

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

A secret greenspace hides atop a Capitol parking garage.

Through the decades, Black music stars have performed at this historic hub for music and the arts.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

Atop this media building, two hives containing more than 30,000 bees keep the surrounding area vibrant.

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

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.