England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

A network of underground water channels that dates back to the Middle Ages.

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

A once extravagant mansion, now reduced to ruin.

These tiny cabins on a cableway have been carrying visitors at a Baltic resort down to the beach since 1912.

The formidable fowl can be found standing near an isolated hiking path.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

The sole remaining outpost of a once-thriving South Carolina chain still sells “pic-a-nic” baskets.

A remarkably opulent mansion with a tragic history.

The young girl gained fame for her atypical size and was regarded as a curiosity by the Spanish aristocracy.

Rising from the sea like a stone monster.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

The most powerful waterfall in all of Europe.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

The longest living non-clonal organisms on Earth.

Toss a Frisbee through the ruins of this Colorado gold mining town.

A great white whale sculpture now sits in the location where the remains of a prehistoric cetacean were found.

The origins of a large, medieval castle are shrouded in mystery, but now it's a delightful garden.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Near this allegedly haunted pub, you can find strong spirits on the rocks.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.