This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The world's oldest railway bridge in continuous use.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

The train that took the prime minister on his final journey now rests in a British museum.

This stone tower was built to protect Crete from incoming pirates.

The only surviving leech house in the United Kingdom was a home for bloodsucking worms until the 1900s.

This bridge once allowed Dere Street to cross the River Tees.

A piece of public art commemorating the world's first Black professional footballer.

A locomotive made from 185,000 bricks celebrates the town's pioneering railway history.