One of the first commercially successful anthracite-powered iron-making operations in North America.

Where the famed frontiersman was born, raised, and survived Quaker intrigue

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Dr Barnes' $25 billion private collection of art and arboretum.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

Mysterious rocks that ring musically when struck.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A boulder in the Churchyard of Down Cathedral marks the legendary burial place of "The Apostle of Ireland."

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

The atmospheric road was never meant to be so creepy.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

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

This seaside Scottish holiday rental lets you live out your bookselling dreams.

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Spend the night in this formerly abandoned traditional Scottish village.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.