In 2008, this Mexico City metro station was the site of an hours-long fight between emo, punk, and goth groups.

A fabulously bizarre surrealist sculpture by the late artist Leonora Carrington.

66,000 pieces of art, donated by one of the world's richest men.

The only castle in North America to ever house European sovereigns.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

It's believed this golden brick is part of the legendary lost Aztec treasure.

This Mexico City subway station will make you feel like you've been transported to the London Underground.

The official Presidential Residence of Los Pinos became an emblem of Mexico's opulence and presidential corruption.

Diego Rivera's massive tiled fountain and failed infrastructure project.

Breathtaking and huge 430 year old maps of Italy.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

The most visited, and possibly most controversial, museum in Germany.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

An Inca spa, military outpost or maybe… both?

A Christian monastery stands on what was once a holy Incan temple.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Huge stone depressions which may have acted as an Incan agricultural experiment.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.