Kolkata’s only Portuguese church has a curious link with chickens.

Inside this Darjeeling museum, you can see a pair of boots that once stood at the top of the world.

This public elevator links the lower city to the upper city of Salvador.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

This striking, two-toned confluence of rivers is visible from space.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

This granite mountain is the largest rock in Africa and the second-largest monolith in the world.

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

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

The tallest waterfall in the region is named after a capital far, far away.

A 19th-century relic of timekeeping.

The Cape of Good Hope is not quite as low as you can go on the African continent, but it's still geographically significant.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Brass plaques embedded in pavement preserve the memories of those who lost their lives at the hands of Nazis during World War II.