Where the White Nile River dramatically cascades between Lake Kyoga and Lake Albert in Uganda.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

The colorful stairs are made with marble from the world's major quarries.

A beautiful medieval bridge allegedly constructed by the Devil.

An old limestone mine transformed into a beautiful and unusual sculpture museum.

Africa's fourth longest river originates from a burbling spring in a secluded stretch of woods.

This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

The sophisticated hydraulic system of the Nazca civilization.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

A macabre anatomy museum tucked within an old Italian hospital.

You haven’t properly toured a winery until you’ve slept in an actual wine barrel.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

This partially reconstructed Aztec pyramid gives a glimpse of what its larger counterparts would have looked like.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.

Towering at a height of over 30 meters, this turn-of-the-18th-century landmark is the tallest temple in Nepal.

This isolated island is often capped by its own fluffy cloud.

A monument in the Belarusian city of Polotsk claims to mark the exact midpoint of the European continent.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

This giant statue of a vulva became internationally famous after an American exchange student got stuck in it.

The Tübingen University anatomical collection hosts an example of an extremely rare medical phenomenon.