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

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

A lush oasis full of vibrant plants and striking geometric displays.

A fortress off the West coast of Portugal that dates back to 1502.

This castle has links to Portugal’s founding and struggles for independence.

These small, triangular, colorful houses are a staple of Madeira Island.

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

Legend has it the lovelorn tears of a princess and a shepherd boy formed the blue and green twin lakes in the Azores archipelago.

This abandoned five-star hotel is now a five-star urban exploration destination.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.

This little-known national museum houses over 40,000 works of art from across the world.

One man's remarkable private collection of art from around the world.

The best place in the world to buy tinned fish.

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

One of few vertical lava tubes in the world accessible by foot.

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

Bits of flat terrain surrounded by cliffs make one of the most beautiful landscapes in the Azores.

Europe's oldest still-operational tea farm also boasts a spectacular view.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

The world's largest single-aperture telescope resides in the Canary Islands.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

King Carlos IV laid the first stone during construction of this chapel.