This stunning concert hall has become a symbol of Iceland's national recovery.

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

This hidden green space is the city's second largest conservatory.

A historic house left in "dramatic still life."

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A cluttered and astounding collection of antiquities and curiosities.

A famous burial ground with a history both grim and literary.

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

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal 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.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

The oldest operating pharmacy in the world features 800-year-old recipes.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

Ancient serpentine sacrifice holder that has stood the test of time.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.