A small but charming botanical garden that contains many exotic plant species.

Perhaps the most spectacular grotto along the Algarve coastline.

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

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

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

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

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

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

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

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

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.

The world's oldest bookshop still in operation.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

The ruins of an abandoned church mingle with the graves at Oaxaca’s General Cemetery.

A collection of heirloom roses tucked in a spectacularly beautiful botanical garden on Lake Atitlan.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

Built in 1512, the oldest cathedral in the Americas.

After Christopher Columbus died, his son built a fancy house to rule from.

The oldest colonial fortress in the Americas was once the home and later prison of Christopher Columbus.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

These roaring primates were considered a divine creature in the cosmology of the Maya.