This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Frida Kahlo's childhood home, now a museum of her life and works.

This crumbling industrial fortress has attracted daredevils, filmmakers, and historians.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

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

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

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

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

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

Elevated freight railway turned wildly successful urban park.

A 90-acre park on former landfill that hosts an annual kite festival.

A Zoroastrian funerary tower where excarnation rituals are carried out is threatened by the area's dwindling vulture population.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

This lavish estate recalls the opulent history of Calcutta.

World's most expensive home.

Known as the leaning temple, the sacred structure has somehow developed a severe nine-degree slant.

The ancient water tanks remain some of the ruined city’s most beautiful architecture.

Modest by day, illuminated majestically at sunset.

The remains of what was, not so long ago, the world's largest city.

Come for the flowers, stay for the bats!

These two delightful animal-shaped buildings host a visitor center and wool shop.