The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

A monument stands at one of the starting lines of the Trans-Canada Highway, formerly the longest uninterrupted highway in the world.

This striking, two-toned confluence of rivers is visible from space.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

You feel like you're in a forest, but you're actually walking amidst the branches and trunks of a single giant tree.

This public elevator links the lower city to the upper city of Salvador.

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

The fighters and conspirators that won independence for Paraguay held secret meetings at this historic house.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

An underexplored, 130-foot tropical waterfall that you will have all to yourself.

An international border crossing near the famous Iguazú Falls where bargain hunters and curious tourists stream between Brazil and Paraguay.

As one of the world's largest hydroelectric dams this plant took two countries to get built.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A stunning gilt bronze relief denounced by Hitler as "degenerate art"—even though it was dedicated to the Nazi leader.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.