The second smallest castle keep in England.

At 1,732 feet above sea level, this spectacularly isolated yet surprisingly bustling bar is the highest pub in Britain.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

This magnificent church allows travelers along one of Germany's busiest roadways a chance to rest and reflect.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

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

A close look reveals that the Scottish monument is just slightly off-kilter.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

The longest staircase lock in Britain.

An unexpectedly extraterrestrial room in a former Victorian resort club.

One of the few surviving street funiculars in the world.

Wander among free-roaming storks at the sanctuary that helped save them from local extinction.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

This bronze sculpture represents the helpless, hapless, and the damned who have passed through Piccadilly station since it opened in 1842

A rotating bridge that carries a little canal over a larger one.

Final resting place of John Middleton "The Childe of Hale."

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.