Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This mountaintop lake bubbles and steams in a perpetual boil, thanks to its direct link to the Earth's interior.

There is one corporation registered for every three square feet of space in this inconspicuous office building.

The decaying remains of a ship whose captain mysteriously disappeared.

The largest retailer of seashells in the world.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.