The world's first combination ski slope and power plant.

Nordic giants resurrected from the sea and restored to their former greatness.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

A memorial to a Swedish hockey player's "encounter" with aliens.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Archaeologists are still unraveling the secrets of the brutal massacre that wiped out this ancient fort.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

Get up close and personal at this Fresnel Lens.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

It turns out that a hurricane-prone beach is probably not the best place to house wild animals.

Located within a historic park, the beacon is the oldest standing structure in Miami.

Former villa and estate of James Deering developed to preserve native tropical forests.

The unexpectedly beloved remnants of a controversial thermal power plant.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

Mountain where Jesus was first tempted by the Devil.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

This cemetery features modernist statues as strange as its name.

A beautiful but toxic fountain of mercury.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

An architect's childhood fantasy treehouse made real.