The final resting place to 300 Victorian-era pets hides inside the city park.

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

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

A six-ton wedding present for the King of the Scots.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

360° views of the city plus five floors of optical illusions and hands-on science.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

One of the most iconic neon ads of former East Germany.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

Belfast's namesake river still winds below the city center, hidden from sight.

A public urinal so pretty, it was declared a national monument.

Amsterdam's former hotspot for public executions and dissections.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.