The final resting place of the "father of special effects."

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Two stone columns flank the grand Venice square, but there were supposed to be three.

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

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

The cedar tree in Highgate Cemetery earned its title by accident.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Look closely and you’ll notice that the color changes a third of the way up the tower.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A sweet symbol marks the place where torturous executions were once carried out.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.