Just like in Hollywood, Madrid has also a forgotten walk of fame.

An ancient Egyptian temple in the middle of Madrid, Spain.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

One of the best examples of the modernist movement in Madrid.

A masterpiece of Rationalist architecture in the center of Madrid with lizards on it.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

A comprehensive look at the art of Joaquín Sorolla in his former home in Madrid.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

This lucky bronze frog was gifted to Madrid by a casino.

One of the most controversial statues in Romania is an emperor with no clothes.

This once-derelict building is now one of the most beautiful bookstores in the world.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

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

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.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

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

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

This giant sculpture made of trash is a critique of society's wastefulness.

Giant topiary dog once played a role in a terrorist bomb plot.