A lookout built from shipping containers with a rare view into the harbor’s busy machinery.

A factory store where more than 150 years of American pottery history is stacked—and still made just beyond the showroom.

This 12th-century gatehouse has survived England’s many religious upheavals

The cathedral's live rooster and hen symbolize a renowned medieval miracle associated with Santo Domingo de la Calzada

One of Europe's best-preserved maritime quarantine stations, where thousands of travelers were once isolated to stop deadly epidemics.

A large, industrial, unfinished sculpture depicting a hand descending from the ceiling.

The ruins of a once-mighty medieval palace are hidden away in otherwise modern London

One of the oldest and largest timber-framed barns in Europe

A ruined Scottish tower house with a laird-turned-fugitive's legend

A Grade 2 cast-iron aqueduct, designed by Thomas Telford which links 2 halves of an enormous embankment.

This scenic reservoir is known colloquially as the “mirror of the sky.”

This 46-foot-tall carving of a legendary Māori navigator can only be visited by boat.

Collectors keep the story of Ohio Valley glassmaking alive.

This lonely Lithuanian chapel looks more beautiful and haunting in decline than it ever did in life.

An abandoned Yorkshire castle that is hidden in plain sight.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

A billionaire heiress' menagerie of animals were lovingly laid to rest on the grounds of her former estate.

The world's largest underwater restaurant is submerged off the southern tip of Norway.