The highest point in Montana is as rugged and singular as the state itself.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

Man-made geyser that rises to the exact height of the Gateway Arch.

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

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

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

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

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

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

An ever-changing gathering of crude wooden figures haunts the St. Lawrence River.

A forlorn fishing village on the coast of Labrador, full of shipwrecks and Spanish gold.

An ancient Viking village in North America that predates Columbus by 500 years.

Rusty red sands line the shores of this Canadian Province.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

This remote Scottish isle is only inhabited by seals, birds, and the memory of a tragic settlement.

This Australian beach is composed of tiny shells.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

This crumbling Portuguese ruin overlooks the populace it once ruled.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

The site of the first battle of World War II.

These termites have an large and deadly abode—impressive by day, dazzling by night.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”