This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This beautiful, historic church looks like something out of a simpler past.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The world's tallest bridge is also possibly the most elegant.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

A museum and gardens with unusual plants and a history of progressive programming for the blind.

England's "pier at the end of the universe" unites astronomy and contemporary architecture.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

Regency-era excess on the English Coast.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

Seat of the Duke and Duchess of Devonshire for centuries.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

A perfectly running 230-year-old silver automaton and music box.

A historic arboretum and non-conformist, non-denominational park cemetery.

A fantastic castle rumored to be the birthplace of King Arthur.

The sign at the garden gate reads: "These Plants Can Kill."

These fantastically named natural pools look like something out of a Scottish myth.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Largest lake in Great Britain measured by surface area.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

An underground city of ancient quarry tunnels hid thousands of Allied soldiers in WWI.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.