The elaborate crypt where Peruvian heroes of the War of the Pacific were laid to rest.

Haunted by its violent past, this colonial bastion was the largest Spanish military installation in the Americas.

The shockingly unspoiled Peruvian tomb of the Lord of Sipan was once guarded by a footless warrior.

Stroll among dozens of statues depicting pre-Columbian kings, gods, and supernatural beings.

This vibrant side road in Doha was painted light blue to reduce heat.

A former squatter's paradise outside Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

The bronze uniforms commemorate the vital role of women during World War II.

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.

An Inca spa, military outpost or maybe… both?

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

Did Inca children also slide down these smooth rocky slopes above Cusco?

Death rituals and sacrifice inside a Peruvian megalith.

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

A kitschy Italian medieval-style castle incongruously located amidst one of the most historic towns in the Peruvian Amazon.

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

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Geothermal waterfalls in Tuscany.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

This nugget of paradise earned its name for obvious reasons.