This ruin in a suburban park may be the place where Shakespeare's "A Midsummer Night's Dream" was first performed.

Some wattle-and-daub, a Moorish mural, a glacial erratic, and a Giant named Gilbert.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

Modern commuters still pass through this 2,000-year-old Roman archway.

The world's first military tank was designed in this English city amid the stalemate of WWI trench warfare.

WWII artifacts, including the building itself.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

What was once England's second-richest abbey is now a haunting ruin.

The longest stone bridge in England has an impressive history that dates back over 700 years.

One of the earliest large-scale "hyper" roofs in the U.K. is now a derelict roadside attraction.

A typographic tribute to the many comedic greats who make Great Britain laugh.

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

The western face was supposedly left clock-less to snub the Welsh.

The red letters in the literary pavement leading to the library form a mysterious code.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

These crude contraptions were used to aid in the mining of lead, silver and gold.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

A particularly disconcerting tribute to Irish martyrs.

This network of narrow, medieval passages has the most delightful name.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

Follow the original medieval paths that wind through this intriguing section of the city.

Be on the lookout for the symbolic insect all over the city.

One of the most controversial statues in Romania is an emperor with no clothes.