Underground tunnels once home to crime are now back open to the public.

The historic home of the pivotal political activist who led the Métis people in rebellion against the Canadian government.

A statue in a Canadian zoo remembers the WWI origins of the beloved character Winnie-the-Pooh.

These hellish-looking cliffs in the Canadian Arctic have been burning for centuries.

A modern version of the stone cairns built by the Inuit.

The remote graves mark the mysterious deaths of four 19th century explorers.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

2300-year-old Roman road connecting the empire.

Hundreds of pelicans call this island no larger than a car their home during the summer months.

A fortress on this island housed the mysterious prisoner known as the "Man in the Iron Mask" for more than a decade.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

This striking fort on the Maginot Line looks just as it did after being destroyed in the Fall of France.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

Memorializing the bravery of one young woman facing the monster of her age.

A nesting ground for four of the world’s seven marine turtle species, most of which are endangered.

The world's widest single drop waterfall, and the two men who legend says went over its edge in a boat.

These ungulates have quite literally bounced back from the brink of extinction.

Head to the mountains to catch a glimpse of Spain's endangered subspecies of brown bear.

These primitive rock paintings include a very beloved depiction of a woolly mammoth.

A complimentary beverage is offered to the bodega's resident rodents every day.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

A historic Christian shrine nestled within a spectacular natural cave.

This species of wild goat stars in witchy legends and frolics among the park's eerie rock formations.