The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

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

The final resting place of the great navigator, or maybe his brother.

The world's largest wooden structure.

Iconic pyramid from famed British architect Norman Foster designed to represent all of the world's religious faiths.

A modern tower, symbolizing the legend of a golden egg on top of the tree of life.

An entertainment center in a huge transparent tent.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This historic hotel invented the chocolate brownie.

This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Xul Solar was an artist of alternate worlds, inventor of languages, and dreamer of utopias.

Museum housed in underground tunnels that date back to Buenos Aires's earliest settlements.

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

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A beautiful young girl said to have been buried alive in her coffin…

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.