Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

A historic observatory precariously perched at the "Top of Europe."

These spooky and unusual stone formations create an underworldly landscape.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

A whimsical bridge adorned with decorative dragons.

Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

Morocco's largest Jewish cemetery.

World's strongest whirlpool.

According to the locals, the sands of this secluded Norway beach are infused with gemstone particles.

This abandoned mining village was predicted to resist decay longer than any other modern human settlement.

A modern version of the stone cairns built by the Inuit.

The Arctic Circle runs through this isolated spot north of Iceland.

One Greenland town turned itself into an open air sculpture gallery with the help of a series of traditional stone artworks.

Not quite the cultural gateway between China and Sweden its designer imagined.

This pyramid in southern Sweden houses the remains of an eccentric nobleman, who spent his life doing whatever he felt like doing.

This luxury hotel suite is located deep in the bowels of an old mine.

This encrypted monolith protected a secret of Norse mythology by hiding in a church wall for over a millennium.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Despite the groans of archaeologists, this astounding groups of Bronze Age petroglyphs have been painted red for tourists.