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

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

Intricate metal sculpture that's half gothic cathedral, half construction equipment.

A mural recalls a fictional woman who once lived at 23 Quai du Commerce, 1080 Brussels.

This bizarre residential building is the masterpiece of Von Jour Caux, the “Gaudí of Japan.”

In Tulsa's Oil Capital historic district, even the bus station is "fauxback" Art Deco.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

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

An architect transformed this abandoned cement factory into his castle-like workshop.

This impressive ledge seems to float above the Upper Buffalo Wilderness.

A medieval setting reimagined into a unique art alley.

Along a California highway is a kind of Jurassic Park made of metal.

This public observatory is home to the "celestial cannon," the longest pointable telescope in the world.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

This whimsical stacked cabin looks like something out of a children's book.

The ruins in this village were caused by something more sinister than neglect.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

Even though bison are not native to this Danish island, you might find them walking around the Almindingen Forestas as part of a nature experiment.

This clifftop arch is a natural stunner.

The Emperor Tiberius' palace of debauchery.