A unique tribute to the millions of animals who served and died for the British military.

Black cat statues guard this temple-like Egyptian revival factory.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

A towering monument to war, located on a beautifully peaceful hill.

This ancient oak tree sheltered accused "witches" in the 17th century.

This picturesque lighthouse at the edge of the Irish Sea looks like a giant stone pencil.

These precariously placed ruins harken back to a 13th-century castle.

An unexpected curiosity cabinet hidden within a department store in the Japan Post tower.

A museum based on the collection of a Victorian family. Housed in a remaining Victorian villa.

Known as the birthplace of Korean Buddhism, this temple features an ancient, five-story stone pagoda.

Built on the foundations of an ancient Roman villa, the unique architecture of this castle on the Catalan coast was used as a set for 'Game of Thrones.'

The roofless ruins of a church surrounded by acres of bucolic farmland.

A condensed piece of China floating in a Dutch harbor.

A sculpture commemorating the "world's best mouser" in what is likely Scotland's longest-running distillery

These are probably the most beautifully-crafted toilets you've ever seen.

A rampant horde of demons smirk and snarl at visitors to this church, home to a rare complete set of medieval-era stained glass windows.

Inside this church is an obscure piece of art carved by the famous Alice Liddell.

This library dates back to the late 17th century and was one of the first public lending libraries in England.

Cemetery established by the Victorians as a solution to the overflowing graveyards.

Long-secret natural history museum, featuring the skull of a "Terror Bird."

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.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

A carved grave marker from the 2nd century is mounted in the alcove wall of this Bavarian church.