Get in line for Lisbon’s most famous sandwich.

Sip cherry liqueur at a bar dating back to 1840.

Step back in time at this 19th-century kiosk.

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

The scorched Lisbon church that survived two earthquakes and a massive fire.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

The world's most elegant power lines.

Volcanic rocks ground down into sand make this Spanish beach as black as night.

A statue commemorating the island's tradition of dancing dwarves in Napoleon hats.

This replica of Columbus's famous ship houses the history of La Palma's maritime importance during the Age of Exploration.

These wooden balconies that are both decorative and functional.

A micronation on an islet along the coast of a Portuguese island.

Crafted from ocean litter, this sculpture highlights the ills of overconsumption.

This stone was once used by druids to determine a person's innocence or guilt.

Now in ruins, this abbey was the home of Tironensian monks for more than 400 years.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

Giant, friendly pelicans in Central London, the most unlikely of places.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

The ruins of a once-grand castle that played host to a tournament with 100,000 attendees.