This was once a hall in which a 16th-century royal banquet was hosted by King James VI of Scotland.

The fountain marks the area where hundreds of accused witches were burned at the stake.

These unusual rooms on wheels are holdovers from the 1960s.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Two thirds of this Montreal neon icon has survived to flash another day.

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

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

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

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

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

Montreal's colorful subway station shows its support of the local LGBT+ community.

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

Every drop of D.C. tap water flows through this old waterworks.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The first memorial dedicated solely to the Black troops who fought for the Union.

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.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

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

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

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

A massive sea stack famous for its appearance in The Goonies.