This shop for all your super spy needs hides an educational secret.

The palatial McDonald's that inspired Wesley Willis.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Ancient serpentine sacrifice holder that has stood the test of time.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

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

Malaysian fireflies create a dazzling display as thousands light up in unison.

This peaceful, round shrine in the middle of the Sri Lankan jungle acts as a beacon of peace.

A walk through the historic city center, under the streets of Seattle.

San Francisco's newly reopened hands-on science museum.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Picturesque intersection of witchcraft and ancient Christianity.

An ancient capital city that dates back 3,000 years old and harbors many surprises.