The ritual has been performed uninterrupted for nearly 700 years.

The second smallest castle keep in England.

This historic former textile mill now houses a brewery, hotel, and what's believed to be the longest bar in the United Kingdom.

The last two abbots of this monastery were both executed by Henry VIII.

The grounds of this Catholic boarding school are said to have inspired Arthur Conan Doyle and J.R.R. Tolkien.

Oliver Cromwell marched his army over this narrow bridge to victory at the Battle of Preston in 1648.

A stunning Victorian abbey and walled garden on a lakefront.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

A remarkable feat of Victorian engineering across the Firth of Forth.

This Welsh hotel is the spiritual home of the British 1953 Everest expedition, the first successful ascent of Mount Everest.

A fantastic example of Victorian railway engineering with two unusual decorative features.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This Native American settlement dates back to the Pueblo II period.

Built in 1931, this small passageway is believed to be the first modern skyway.

The bizarre headgear looks like it was made for a fool, not a king.

The commemorative stone column conceals a secret laboratory.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This mass grave for victims of a massive hurricane remained hidden until 1991.

A roadway designed for a visiting monarch.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

English parliaments were once convened by this ancient oak tree in the heart of Sherwood Forest.

The much-beloved mascot of a local museum.

The facade of this 16th-century building is decorated with carvings of 300 seashells.