Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

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

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

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

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

A 19th-century mansion houses the largest collection of gin in the European Union.

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

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

One of the few places in Portugal where the Celtic ritual of wearing large wooden masks is still practiced.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

Perhaps the most spectacular grotto along the Algarve coastline.

A micronation on an islet along the coast of a Portuguese island.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

An honorary saint of the people, Maria Adelaide became an incorrupt corpse, the clothes intact, exhaling “a strong scent of roses.”

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

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

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

This crumbling Portuguese ruin overlooks the populace it once ruled.

The corpse bride of Portugal.

Ancient catacombs form the foundation for this Rococo orgy of a church.

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