Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

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

A solemn memorial in a majestic setting that honors a 1692 tragedy.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.

A rather grand, but tiny, folly on the banks of the River Wear associated with a Polish count.

Though this bridge was originally built in the 12th century, only one of its 10 arches dates back that far.

This giant geoglyph of mysterious origins is now the site of neo-pagan rituals.

In 1977, an eccentric book lover formed a micronation for book lovers.

A Welsh sheep farm provides daily (non-sheep) meals to red kites, producing dazzling displays of aerial acrobatics.

These quintessentially English stepping stones were built for Victorian tourists.

This small square basin behind a quiet church was once a popular medieval pilgrimage site.

Unusual British home built to disguise a water tower.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

An array of ancient artifacts from Bronze Age Bristol and other civilizations are housed in this museum.

A chaotic collection of coin-operated slot machines designed to delight and disturb in equal measure.

This eccentric cave dwelling is bizarre even by the standards of a subterranean town.

An iconic work of public art that lights up the downtown area.

These naturally occurring but rare geological formations are each about the size of a small house.

More than 100 colorful residents stand post in this seaside Australian city.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

This work of art pays tribute to an iron-hulled paddled steamer that traveled the world.

The gigantic preserved heart of a champion racehorse.

Not the result of an accident, hurricane, or aliens, this is an eye-popping tribute to the Melbourne tram.

This Melbourne bank has unique Gothic-style architectural features and is one of the most majestic operating bank branches in the world.