Medicinal spa created from the mineral-rich runoff of a geothermal power plant

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

Iceland's largest lagoon is home to stunning multi-colored icebergs.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

This tiny museum's sizable collection is jammed into a former underground public toilet.

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

One woman's lifelong collection is on display in this unassuming house on an Icelandic fjord.

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

Traversing these canyons, visitors can take in stunning views and glimpses of the region's history.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

Catacombs turned marketplace.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

The Great Fire of London and the regulation of one-way streets both started in this alley.

The commemorative stone column conceals a secret laboratory.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.