Dead weights honor the dead of Portugal's fishing industry.

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

This small chapel is built of human bones and decorated with a golden skeleton.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

Before this rocky hill was home to a chapel, it was used as a lookout by Romans and Moors.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

A neutrino detector built into the largest man-made underground cavity in the world.

Canada's oldest railway tunnel is illuminated in a rainbow of color as it passes under the streets of this small city.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

Huge spherical rocks in the middle of the prairie.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

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

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

A sculptor's dream castle turned fantastical ruin.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

What is it about mushrooms that makes people wish they lived inside of them?

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

This Oregon farm is dedicated to teaching people the professional art of tree climbing.

A heavenly experience, right here on Terra Firma.