A pre-Hispanic pyramid in the middle of a tourist district in the Canary Islands.

Tools, pottery, and mummies showcase the history of La Palma's native people.

This cave was the former seat of power for two brothers who ruled together as kings.

A statue commemorating the island's tradition of dancing dwarves in Napoleon hats.

Windswept juniper trees resemble surrealistic artwork, however, this juniper is actually a work of art.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

The remains of an entire Roman city can be explored in this interactive museum.

Translating as "The Jump of the Girlfriend," this stunning waterfall has a tragic legend behind it.

This ancient amphitheater was restored in the early 1990s.

The last of three massive blast furnaces that were once at the foundation of the Port of Sagunto economy.

This architectural oddity is an oasis of green on the outskirts of Valencia.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This abandoned viewing platform has become a monument to unnecessary government spending.

The old church, buried by the 1784 Mount Vesuvius eruption, is a remarkably well-preserved place where people now pray for the souls of the dead.

Barça football fans might see the insignia hidden in a church window as a divine sign.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

A stately palace has been converted into the world's largest cannabis museum.

Week-long block party becomes a competition for the best decorated street.

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

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This semi-secret storybook hedge maze is also the oldest garden in the city.

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