Inside a Scottish castle hangs the tattered remains of a flag with murky origins and supposed magic powers.

This ruined castle is said to be the legendary keep of a Viking princess.

Above an abandoned Underground station, this charming bookstore is home to strange antiquities and literary works.

This Underground station has been a popular filming location for decades, even before it closed.

The site where the famous city gate once stood, now in the middle of a playground.

An independent bookstore and press with a large collection of local and English-language literature.

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

The final resting place of a poisoned lover whose death was at the center of one of Glasgow's most sensational murder trials.

This monument dedicated to the legendary American showman can be found in Scotland's largest city.

This monument is dedicated to a young boy who survived a disaster that forced Edinburgh to reevaluate its building codes.

Inspired by the famous sculptures on Easter Island, this head serves as a popular meeting spot by Shibuya Station.

An artistic interpretation of the history of a Scottish park, combining poetry with anthropomorphic animals.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

Water-themed sculptures guard this unusually square structure.

This hill nestled in the Scottish lowlands was a ritual site for over 4,000 years.

This sculpture of disembodied body parts forms a poignant memory of the horrors of World War II.

This Singaporean food-court stall was home to the world's cheapest Michelin-starred meal.

A gorgeous gilded tower houses what may be the world's largest collection of gin.

A faded reminder of what was once a common sight in London during the Blitz.

Much of what constituted mid-century Liverpool now litters a beach outside of town.

Claude Monet was baptized in this lavishly ornate Paris church.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.