Possibly the oldest of Britain's ancient henges is also one of its most stark.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

The oldest church in Inverness witnessed the brutal executions of many Scottish soldiers.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

The gravestone of a delicate singer-songwriter bears a fittingly introspective epitaph.

In the quiet village of Fulmodeston, the ruins of a medieval church remain hidden among vines and foliage.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

Preserved baths in a Victorian-era spa town frequented by the most famous people of its day.

A preserved block of timber buildings from the city's industrial era in the Middle Ages.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A medieval quay that was the Mayflower's final port of call before sailing for America.

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

Switzerland's oldest public observatory is an important part of the Zurich cityscape.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

A 19th-century mansion houses the largest collection of gin in the European Union.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

One of the largest squares in Europe contains an entire artificial island.

The oldest botanical garden in the world that technically isn't the oldest.

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.