This medieval manor house was equipped with secret compartments for hiding priests.

An abandoned, desolate train tunnel that was used during World War II.

This historic franken-chapel is the oldest wooden church in the world, at least part of it.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

These ruins of a medieval church are full of architectural mysteries.

A dramatic sculpture high up in Yorkshire with vistas on an industrial scale.

A repurposed railway tunnel with otherworldly acoustic characteristics.

The highest lighthouse in Scotland shines from an abandoned island.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

The intended purpose of this unfinished Elizabethan building remains a mystery.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

An ancient woodland that inspired a young J.R.R. Tolkien.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

Unusual British home built to disguise a water tower.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

A gallery specifically dedicated to the botanical illustrations of a remarkable traveling lady.

An exercise in radical design and social living that became the epicenter of Soviet spy networks in London.

A preserved block of timber buildings from the city's industrial era in the Middle Ages.

A hidden gem in the middle of the city's infamous Jewelry Quarter.

This peeling mural of Adam and Eve was inspired by the greenhouses at Kew Gardens.

This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.