One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Swiss vineyards in a UNESCO heritage site.

The most powerful waterfall in all of Europe.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This elegant arc of a waterfall marks a religious turning point.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

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.

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

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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

The world's largest reflecting pool is just two centimeters deep.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Historic medieval fortified city in southwest France.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.