The angel of death appears to weep black tears at this grave marker.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

Intensely colorful calcite pools in Southern China.

This Scottish manor house is a lush relic from the life of a literary great.

This Quebec estate is home to the elaborate gardens of a self-taught horticulturist.

Several times a year, during low tide, two pairs of historic train tracks are revealed on this New Jersey beach.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

This unique temple complex remains off the typical tourist trail.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Macabre astrological automaton clock dating to the late 1400s.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The beautiful baroque library of the Hapsburg empire.

The hallucinogenic center of the ancient world.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Go inside to really appreciate this 500-year-old technological masterpiece.

Known for centuries as the famous Roman emperor's burial place, this monument is actually something else.

Real bones which are said to have belonged to a Polish dragon.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

According to one legend, this bridge was crafted after monkeys formed a body-bridge across the gorge.