Places Edited by SEANETTA ALLSASS

Where condemned pirates met their grisly end at the gallows on the River Thames.

Where the legendary Orson Welles got his theatrical start before "Citizen Kane."

The oldest of the three remaining bridges in England with buildings on top of them.

This was once a hall in which a 16th-century royal banquet was hosted by King James VI of Scotland.

One of the figures in this Celtic sculpture continues to puzzle archaeologists.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

Scotland still bears an enormous scar of its Roman past.

It's a mystery why these remains were found with no traces of their bodies in sight.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

A curious urban windmill once owned by a renowned British mathematical physicist.

The bones of two medieval royal lions were discovered at the historic fortress.

A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

This small monument to the great inventor contains a time capsule and a Wi-Fi hotspot.

One of Oxford's greatest treasures likely belonged to England's legendary King Alfred the Great.

A harrowing sculpture commemorates the four people shot down during the workers strike of 1842.

These semi-natural waterfalls hint at the park's Victorian-era industrial past.

A collection of machines designed to break things for science.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.