Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

This attraction is devoted to the wonders of steam power and features a replica of one of its most public disasters.

From 135 feet high riders plunge down the world's tallest freestanding body slide at 65 mph.

You feel like you're in a forest, but you're actually walking amidst the branches and trunks of a single giant tree.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

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

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

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

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

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

These 400-year-old ruins are all that's left of the monastery where Ines de Castro was assassinated by the King of Portugal.

The "Little Ones," show Portugal in full miniature splendor.

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

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Eat the ultimate iteration of Portugal's most beloved pastry.

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

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