A French-Colonial era collection of taxidermy and wet specimens, secreted away in the National University of Hanoi.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

The 43-mile route crosses through six islands with gorgeous views of the Seto Inland Sea.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

A quirky collection flush with information on commode culture from ancient times to modern day.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

A hidden tunnel of bones in one of Malta's oldest churches.

Hidden dwellings in the cliffsides of North Togo used by local Moba tribes to evade 18th-century slave traders.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

Locals transformed this Canadian evergreen into a secret hangout with spectacular views of Vancouver's skyline.

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

A young Italian couple has been locked in an embrace for over 6,000 years.

Stunning ruins of what was once the center of one of the greatest empires in East Africa.

This odd museum/art gallery embraces the physiological, zoological, and ethnographic side of sex.

A remarkably well preserved tower dating all the way back to the Iron Age.

This 3,800-year-old site contains markers used to study the movement of the sun and moon and create a lunar calendar.

You can cross from one country to another in a single hop on this little bridge.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.