This shrine commemorates the site of the first known Catholic mass in the United States.

An underground spring in a labyrinthine cave system, decorated with stalagmites and stalactites.

A golden egg-shaped sauna in the Arctic tundra.

An architectural marvel that dates back to the zenith of Indian architecture.

A sculpture for the sun and stars, created by Nancy Holt.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

An abandoned mountain village in Habib surrounded by walnut, apricot, and pomegranate trees.

Dishes are packed with flavor at one of the only Singaporean restaurants in Paris.

On an idyllic island off the coast of Sierra Leone, remnants of the defense of the slave trade and its later abolition.

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

Hundreds of fiberglass structures line the side of the road in the middle of nowhere.

A peninsula on a peninsula that becomes an island at high tide.

A small collection of objects of a bygone era hide in plain view.

Third time's a charm, or in this case, two testicles are.

This holy spring and it's well has been the site of religious devotion for millennia.

This Tudor cottage is adorned with many canary-clasping cats, which originally served as a reminder to a local clergyman of his pet's murderous ways.