This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

Ecuador’s historic seat of government has been quietly looted in recent decades, and no one knows how or by whom.

This huge green space packed with activities will make you forget you're in the middle of the Ecuadorian capital.

Quito's historic, main square dates back to the 16th century.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

It took 160 years to complete the most ornate church in Ecuador.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

The United States Capitol's former columns still stand.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

An underwater statue of Christ blesses the depths off Key Largo.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

It's a pretty creepy lock-up.

A monument celebrating the idea of reaching inaccessible places.

Throughout this South Korean village, homes and businesses are covered in fantastic handpainted murals.

This demon atop the Notre-Dame de Paris looks utterly bored.

This 18th-century sundial was designed to calculate the date of Easter each year.

The video game-themed street art first popped up in the French city.

This Parisian gem is one of the most incredible ethnographic museums in the world.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

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

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