A shady solar power system that couldn't hold up to the harsh desert conditions.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Ruins of a German Castle on top of a towering stone pillar.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Did Inca children also slide down these smooth rocky slopes above Cusco?

Conspiracy theories and occult legends surround this mysterious natural rock formation.

From this desk Al Hirschfeld drew his influential caricatures of the 20th century's Broadway stars.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

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

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

One of the largest necropolises in the world is home to a stunning array of historic Middle Eastern tombs.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.