Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

A tunnel of hardened lava along Maui’s famous Road to Hana.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Christ's blood allegedly preserved in a Belgian town.

A tall karst islet popularized by 007.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

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

The history and future of cannabis.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

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

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

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

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

This banal Parisian entranceway is not what it seems.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

A surrealist timepiece by the artist of melting clocks.