A regular looking rock with an unbelievable history.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

Underground hospital complex constructed by slave laborers during the German occupation of the Channel Islands.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

Geometry and mystery come together in an epic show of octagonal masonry.

Rusty industrial city full of oxidized distillation towers.

Ancient pueblos built into the base of a natural canyon wall.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A popular tourist cave with a dark past.

The peaceful gravesite of a rugged wild west gunman echoes the touching story of his last days.

Even in death, he's still your huckleberry.

A historic fort commemorating the United States' naval history.

Megachurch turned Catholic church comprised of 10,000 glass panes.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

An obscure waterfall that looks like something out of a fantasy novel.

The artwork that Italians felt California didn't deserve.

Whiskey lovers, this is your happy place.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.