At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

A open air theatre built on a cliff by an eccentric British woman.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

This colossal war machine is now a living museum dedicated to underwater warfare.

This multicolored meandering masterpiece is Britain's longest bench.

This monumental gateway marks the northern edge of Brighton and is a welcome sign to all visitors to the seaside city.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

During the heyday of fishing in Hastings, there were more than 100 of these storage facilities.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

Cliffs full of fossils at the portal to England's Jurassic Coast.

Isambard Kingdom Brunel, one of the great Victorian engineers, was the driving force behind the short-lived atmospheric railway.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This incredible narrow-gauge mountain railway was created by a ceramic artist.

The largest greenhouse in the world is home to over one million types of plants.

Two gilded cherubs perched on a church bell tower have been reminding visitors of the finitude of life since 1760.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This modest marker near Notre Dame identifies the very center of Paris.

Old Tudor home moved on thick iron rails to a new spot.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.