The sanctuary seems to either float atop the water or sink into the dirt, depending on the water level.

A beautiful medieval bridge allegedly constructed by the Devil.

Once a farm where patients tilled the soil, this asylum lost its workforce when overmedicating became common practice.

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

Ask nicely, and stewards of a centuries-old charitable tradition will give you free bread and beer.

This centuries-old canal known as the Cuckoo Dyke has a staircase of locks suitable for a giant.

The United Kingdom's smallest working cathedral also serves as a quaint bed and breakfast.

This astronomical clock is the second oldest in England.

Harry Potter’s Hogsmeade Station is also a charming blast from the past situated in North Yorkshire.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

These barriers stand as stark reminders of Northern Ireland's troubled past.

The castle still holds traces of the abandoned Roman fort it was built atop.

These ancient ruins were the final resting place of King Henry II's mistress.

The last Victorian market in Belfast.

Legend has it the famous Robin Hood would attend mass at this 12th-century Cistercian abbey in Sherwood Forrest.

This Underground station has been a popular filming location for decades, even before it closed.

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

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

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

Scotland's oldest purpose-built concert hall houses an incredible collection of ornate, centuries-old keyboards.

Gothic tower where Lord Alfred Tennyson wrote the poem "The Sleeping Beauty."

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

This ruined folly was originally built to honor a failed American state that would have become "Westsylvania."