Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.

One of the last Depression-era bandshells still standing was the site of Elvis Presley’s first live concert.

Lewis Carroll's White Rabbit or something else altogether?

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The last fully working Victorian Turkish bath in England.

Long-secret natural history museum, featuring the skull of a "Terror Bird."

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A small structure built from used railroad ties honors the short term of America's 20th president.

A tiny chapel perched along a 14th-century bridge.

Cycle the solar system—from the sun to Pluto—right here on earth.

This giant weaving shuttle celebrates Lancashire's importance during the Industrial Revolution.

The English bed-and-breakfast believed to have inspired Emily Brontë's novel "Wuthering Heights."

This Georgian architectural masterpiece is the only cloth hall left in Britain.

This disused Cold War bunker has been restored to all of its early 60s glory.

Life-size figures portray depot attendants, train crew, and passengers frozen in time at the oldest railroad station in Arkansas.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

Walk through a restaurant's refrigerator door to reach this hidden bar.

A late-night restaurant empire was launched from this humble storefront.

Morocco's largest Jewish cemetery.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

An underground nightclub helped spark a "Singing Revolution."