Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

A man used his Civil War-era fortune to build this sanctuary in memory of his wife.

This elaborate High Victorian Gothic structure is one of the world's few 16-sided buildings.

New England's "Witches of Eastwick" locations, in all of their quaint white churched glory.

The skyline of Montreal includes the silhouette of an unexpected fruit-shaped Canadian staple.

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.

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

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

All that remains of this former mill town is a ranger station and some crumbling buildings.

A school teacher's massive and terrifying self-built castle.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

At least 14 twice-retired ships were sunk to make a lovely rusting breakwater in Comox Harbour.

The gravestones in this lost burial ground were bulldozed and replaced with houses and a dog park.

A sun-filled museum featuring an ever-rotating collection of classic and exotic cars.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

A lush Seattle garden designed by the same landscape architects responsible for New York's Central Park.