Dramatic river bend surrounds a natural red-rocked pedestal.

Medicinal spa created with the discharge from a geothermal energy plant.

An exquisite tunnel of cascading flowers.

A magical place that lets you play in and explore the world of Studio Ghibli.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

On Japan's Tashirojima Island, cats are king.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

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

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

Historic medieval fortified city in southwest France.