The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This 19th-century pub features stained-glass windows celebrating Victorian-era "champions."

A rampant horde of demons smirk and snarl at visitors to this church, home to a rare complete set of medieval-era stained glass windows.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

One man's remarkable private collection of art from around the world.

This charming candle shop has been in business since 1789.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

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

The granddaddy of English geoglyphs dates back to the late Bronze Age.

The longest canal aqueduct in England was built without a plan to get water past the moving boats.

The largest of only eight working transporter bridges left in the world.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

So many migrating birds roost on the bridge, it has a special summer speed limit.

The oldest liquor store in the country is a model of resilience and mischief.

Every year, the colorful murals of Montreal get a complete makeover.

This exuberantly curated landscape is one of the largest sculpture gardens in Canada.

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.

This hidden park hosts a rogue’s gallery of eccentric architectural obelisks.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

Inside this faux cave, visitors can learn how some of their favorite fantasy characters were created.

New Zealand's only running funicular railway.

New Zealand's west coast is one of the best places in the world to view these large seabirds.

Home to some of the world’s darkest skies, this project blends ancient Māori culture with world-class astro tourism.