This Sheffield sculpture composed of 17,000 Allen keys honors both urban falcons and a furniture icon.

Some of the most enduring novels in English literature were written within the walls of this Georgian-era building.

This astronomically-aligned stone circle was the first of its kind to be built in Great Britain after a 3,000-year hiatus.

It's believed a castle existed at this site since the 12th century.

The first woman in America to receive a medical degree.

An 18th-century viewpoint across the surrounding highlands.

A monolith stands at the site of the most significant battle ever fought on British soil.

A repurposed railway tunnel with otherworldly acoustic characteristics.

This quaint funicular has been ferrying people up and down an English valley since the Victorian era.

This star-shaped military outpost is now simply trying to protect itself from neglect.

A deer-headed statue that brings together a 12th-century legend and big wave surfing.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

This oddly shaped church resembles a rocket.

Step back in time at this 19th-century kiosk.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

A plaque on the side of a building is a small tribute to the woman who invented an iconic Berlin fast food.

A rare example of a gritstone cross in this region of the United Kingdom.

This Victorian graveyard in Leeds is a macabre collection of beautiful tombs and memorials.

This monumental work of art symbolizes the coming together of a previously divided city.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.