The second-longest pier in the U.K. stretches a whole kilometer into the Irish Sea.

Oliver Cromwell marched his army over this narrow bridge to victory at the Battle of Preston in 1648.

The remnants of this unusual bridge await an uncertain fate.

A series of idealized caves carved to entertain guests.

In this medieval fish bowl, the carp weren't pets.

The adorable animals return to this nature reserve every fall to give birth to their pups.

This rare aquatic phenomenon is one of the more accessible tidal bores in Morecambe Bay.

A blunder resulted in these charming stone-lined streams becoming the target of a Nazi bombing.

This muddy wooded valley and the ancient structures it hides are said to be the favored haunt of the legendary Friar Tuck.

The world's oldest operational public pier railway has shuttled seagoing commuters from ship to shore since 1909.

Seemingly straight out of a fairy tale, a steel chair sits on a tiny island only accessible by stepping stones.

The ruins of a defunct limestone quarry still haunt this Scottish promontory.

Quirky Welsh observatory unites art and science.

These remarkable cascades are the jewels of Upper Tees.

These quintessentially English stepping stones were built for Victorian tourists.

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

This stone throne invites adventurers to observe breathtaking views of the Peak District.

This amazing trail among the many waterfalls around Ingleton has been enchanting visitors since 1885.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

The world's smallest movie theater runs on solar power—an attraction in itself.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

The longest and tallest aqueduct in Britain can actually be sailed across.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.