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The Carnegie Museum of Natural History was founded by Andrew Carnegie in 1896 and shares the Carnegie Institute building in Oakland with the art museum. Its Dinosaurs in Their Time hall shows the Diplodocus carnegii and the type specimen of Tyrannosaurus rex, and other halls cover minerals and gems, ancient Egypt and North American wildlife.

Fort George is a British fort of the War of 1812 in Niagara-on-the-Lake, about 22 km north of Niagara Falls, run by Parks Canada. Built in 1796 and largely destroyed in the Battle of Fort George in 1813, it was reconstructed in the late 1930s; earthworks and palisades enclose blockhouses, barracks and the original powder magazine, with musket and music demonstrations.

Old Fort Niagara stands in Youngstown, about 19 km north of Niagara Falls, where the Niagara River flows into Lake Ontario. Its stone French Castle dates from 1726, and the fort changed hands between France, Britain and the United States in the 18th century and the War of 1812; it is now a museum with costumed demonstrations.

The Heinz History Center is a history museum in Pittsburgh's Strip District, opened in 1996 in a restored ice warehouse of 1898 and affiliated with the Smithsonian Institution. Its exhibitions cover Western Pennsylvania from the frontier to the steel industry, with sets from Mister Rogers' Neighborhood and the Franco Harris Sports Museum inside.

The Andy Warhol Museum opened in 1994 on Pittsburgh's North Shore, in the city where Warhol was born, as one of the Carnegie Museums of Pittsburgh. Seven floors of a former industrial warehouse hold his paintings, films, photographs and the Time Capsules, and the ground-floor Factory studio offers silkscreen printing.

The Monongahela Incline is a cable funicular opened in 1870, the oldest in the United States still in continuous use. Run by Pittsburgh Regional Transit as part of the public transport network, it climbs from West Carson Street near Station Square to Grandview Avenue on Mount Washington, with views over downtown.

The National Aviary is an indoor bird zoo in West Park on Pittsburgh's North Side, opened in 1952 as the city's aviary-conservatory and given its national title by Congress in 1993. Visitors walk through planted habitats among several hundred birds of about 150 species, from penguins to a harpy eagle.

Point State Park covers the tip of downtown Pittsburgh where the Allegheny and Monongahela rivers meet to form the Ohio. It lies on the site of Fort Duquesne and Fort Pitt, whose Block House of 1764 and the Fort Pitt Museum stand in the park, and its fountain at the point throws water up to about 45 metres high.

The Kamin Science Center, called the Carnegie Science Center until 2024, is a science museum of the Carnegie Museums of Pittsburgh, opened in 1991 on the North Shore beside the Ohio River. It has hands-on exhibitions, the Buhl Planetarium, a large model railroad and the Second World War submarine USS Requin moored outside.

The Duquesne Incline is a cable funicular opened in 1877 that climbs the slope of Mount Washington opposite downtown Pittsburgh. Its two restored wooden cars of the 1870s still run, and the upper station has a small museum and an observation deck looking over the Point where the three rivers meet.

Exporail, the Canadian Railway Museum, is a railway museum in Saint-Constant, on Montreal's South Shore, founded in 1961 by the Canadian Railroad Historical Association. Its collection of more than 140 locomotives, cars and streetcars fills the Angus Pavilion and an outdoor site; it includes Canadian Pacific 2850, which pulled the 1939 royal train.

The Pittsburgh Botanic Garden lies in the hills near Oakdale, about 15 km west of downtown Pittsburgh, on land once mined for coal and since restored. Trails lead through woodlands, meadows and themed gardens, among them an Asian woodland with a lotus pond, and the garden hosts seasonal art exhibitions.

Saint Joseph's Oratory is a Catholic minor basilica and national shrine on the Westmount summit of Mount Royal, begun as a small chapel by Brother André Bessette in 1904. Built in stages from 1914 to 1967, it pairs a Renaissance Revival facade and a large copper dome with an Art Deco interior; the site also holds a crypt church, a museum and the original chapel.

The Montreal Museum of Fine Arts was founded in 1860 as the Art Association of Montreal and is the oldest art museum in Canada. Its five pavilions on Sherbrooke Street West in the Golden Square Mile hold about 44,000 works, from Quebec and Canadian art and Inuit art to European old masters, decorative arts and design.

Mount Royal Park covers the wooded mountain west of downtown Montreal. It was designed by Frederick Law Olmsted and inaugurated in 1876. Paths lead through the forest to Beaver Lake and to the Kondiaronk Belvedere, a terrace beside the Mount Royal Chalet with a view over the city's skyline and the Saint Lawrence River.

Pointe-à-Callière is Montreal's museum of archaeology and history, opened in 1992 in Old Montreal for the city's 350th anniversary on the site of its founding. Below ground, visitors walk through excavated remains such as Fort Ville-Marie, the first Catholic cemetery and an old collector sewer, beside exhibitions on the First Nations and city history.

Notre-Dame Basilica is the Gothic Revival parish church on Place d'Armes in Old Montreal, designed by New York architect James O'Donnell and built from 1824 to 1829; its two towers were finished in 1843. Inside, a deep-blue vault with gold stars rises over carved wood, stained glass showing Montreal's religious history and an 1891 Casavant organ.

Old Montreal is the historic district on the Saint Lawrence River where French settlers founded Fort Ville-Marie in 1642. Quebec declared much of it a historic district in 1964. Its stone streets hold buildings from the New France era onward, among them Notre-Dame Basilica, City Hall, Place Jacques-Cartier and the Old Port.

The Old Port of Montreal is the historic harbour on the St. Lawrence River beside Old Montreal, stretching for more than 2 km. French fur traders used it from 1611; shipping moved to the new port in the east in 1976, and the quays were redeveloped as a public waterfront in the early 1990s, with promenades, the Clock Tower, a science centre and river cruises.

La Grande Roue de Montréal is a 60-metre Ferris wheel on the Bonsecours Basin island in the Old Port of Montreal, opened in September 2017 for the city's 375th anniversary. Its 42 climate-controlled cabins seat up to eight people and turn year-round; a ride of about 20 minutes looks over Old Montreal, downtown, Mount Royal and the St. Lawrence River.