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

The longest and steepest staircase locks in the United Kingdom.

Known as the "Stairway to Heaven," this historic canal dates back to the 1700s.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A huge Megalithic chamber tomb located behind a cafe.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

Walk in the footsteps of the gods and straddle two tectonic plates.

A replica of the decorated wooden pillars Viking sailors threw overboard when finding new places to establish a settlement.

Held in an old church, this clockwork museum maintains a special focus on titanic tower timepieces.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

Go back 50 years with a turn on one of the park's carefully restored vintage fairground rides.

A stunning Victorian abbey and walled garden on a lakefront.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

After being destroyed by IRA sympathizers, the ruins of this stately Irish manor have sat vacant for decades.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

"The Donut" was built as part of an expensive, ill-fated engineering endeavor.