The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The history of radiation is on safe display at the foot of a radiation science laboratory.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

France's most famous cemetery, with some of its most curious tombs.

Abandoned railway line circling the city of Paris.

Its columns were all carved from the same white oak tree.

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

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

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.

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

Half curiosity cabinet, half late night hotspot, this Brazilian bar is helping turn a dangerous neighborhood around.

Brasilia's oldest newsstand is sheltered by a wish-granting tunnel-tree.

Deep below the dry landscape of Bahia, a cave with intense blue water to float in.

Moss-covered sculptures fill this small Brazilian gorge.

From 135 feet high riders plunge down the world's tallest freestanding body slide at 65 mph.

This Brazilian palace island was once the site of the last grand ball before revolution.

Hub for hallucinogenic Amazon religion.

Unusual rock formations eroded into a landscape of stone beasts.

This breathtaking national park is one of the best places to see the weird and wonderful giant anteater in the wild.

The massive gardens and office of a Brazilian sculptor.

This Brazilian astronomy museum allows guests to gaze at the stars through their telescopes each weekend.

A stunning Catholic cathedral built by a curve-loving communist in Brazil’s newly created capital.