Banksy's image of a naked man dangling from the window of a sex health clinic.

This bridge later moonlighted as a local jail.

This restored 19th-century calender, a machine used in rubber manufacturing, commemorates the town's local industry.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

This medieval castle is filled with an eccentric collection that ranges from ancient Egyptian artifacts to taxidermy to a mummified hand that was cut off during a duel.

A petite castle folly in the English countryside.

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

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Constructed from recycled wrought iron railroad tracks, it's been described as the most beautiful seaside pier in England.

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

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

Perhaps the only prehistoric monument with its very own public bus stop.

Unwanted and reluctant ownership, Gordon Lamp glimmers faintly and serves as a relic of the bygone Victorian era.

Believed to be inspired by the Trevi Fountain in Rome.

Trimmings from the record-setting tree line that surrounds Cirencester Park have been used to manufacture chemotherapy drugs.

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

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

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

This charming railway is one of the oldest and steepest funiculars in England.

Abandoned boats decaying in the largest ship graveyard in mainland Britain.