The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

One of the smallest bookstores on the planet.

A hidden three-foot-wide house separates these two regal churches.

Elaborate tile work in this railway station tells the story of Portugal.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A garden in Lisbon filled with giant porcelain creatures.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

An eerie former warehouse turned cistern turned movie set.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The best place in the world to buy tinned fish.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The world's oldest bookshop still in operation.

The stunning interior of this Gothic church is covered in ornate gold details.

This oddly shaped church resembles a rocket.