Canals

Built to transport German U-boats through the never-completed Masurian Canal, the locks near this Polish village are now home to a rope course.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

This "railway" for boats continues a waterway over a road.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

This section of the Kennet and Avon Canal has been designated the same level of heritage protection as Stonehenge.

This trail follows unique stone railroad tracks and a historic waterway to the south coast of Devon.

The longest and steepest staircase locks in the United Kingdom.

This ingenious engineering solution was built to stop the "theft" of canal water.

A historic shipbuilding town is home to a sail-through fish-and-chips shop.

This art display in Dedham honors a local fish, and is dedicated to the volunteers who restored the canal.

Also known as Napoleon's Canal, this waterway was created on the orders of the general, and construction was interrupted by Waterloo.

A small wall and marker are all that remain of this historic canal tunnel.

The remains of a failed canal can be found in several towns near Lake St. Clair and is known historically as "Mason's Folly."

This bridge dates back to the 9th century and allows visitors to walk an ancient path amid modern industrial trappings.

Sail in for a ’dam good slice.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Thanks to its curved shape, this incredibly durable dam "whispers" to visitors.