A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The king of U.S. high points towers over every other peak on the continent.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

The poet's been ambling through these New York woods since 1940.

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

New Orleans' famous cemetery, located on the site of a former race track.

The world-record holder for the longest bridge stretching continuously over water.