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

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

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

Many generations of travelers have passed through the steep, smooth walls of this canyon.

A spiritual vortex among the red rocks in Sedona.

An abandoned village that resides along the mountains of the Aosta Valley.

A memorial to the murdered Jews of Kaunas.

The world’s highest ski resort was deserted after an 18,000-year-old glacier melted away.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

On Japan's Tashirojima Island, cats are king.

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

This patch of land is home to Sweden's largest burial mound, allegedly belonging to a mythical king.

An architect transformed this abandoned cement factory into his castle-like workshop.

One of the last remaining Carpenter Gothic churches is situated on a wildflower conservatory overlooking the bay.

Once the legendary capital of the Dacian Kingdom, this city has been reduced to mere ruins.

Originally slated to become a luxurious resort, this structure is now a graffiti haunt reclaimed by nature.

A quaint amusement park now sits, rusting and forgotten among the foliage.