Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

A black and white solution to the Bolivian city's traffic problems.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

This mysterious abandoned fort looks like something pulled right from Arabian legend.

This bazaar is one of the oldest in the Arabian world.

An imposing Omani fortress surrounded by date palm trees.

This soviet pilot's graveyard is filled with headstones made of airplane fins.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Largest lake in Great Britain measured by surface area.

This Scottish bridge seems to compel dogs to leap to their death.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.