Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Go inside to really appreciate this 500-year-old technological masterpiece.

100 year tradition of fist fights, marked by marble footsteps.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This house's itty bitty size means no humans allowed.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

California's own majestic geyser is powered by a subterranean volcano.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.