In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

This monumental fountain has moved around the city multiple times.

Virgil's many-mouthed gateway to the underworld.

A submerged archeological park still holds the wonders of a Roman Sodom.

The Bourbon royal family had this unique octagonal hunting "cottage" built on a tiny islet in Lake Fusaro.

This magical-looking island is notorious for the misfortunes suffered by its owners.

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

Get in line for Lisbon’s most famous sandwich.

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

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

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

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

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

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

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

One of the last members of the Byzantine Empire's last ruling dynasty is buried in the far-off soil of Barbados.

A giant gun barrel in Barbados that once hoped to shoot outer space with science.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

Rare signs of the former Soviet Union in the Caribbean, though not where you'd expect them.

A violent name for a violent volcano.