No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

These gnarly desert trees produce the prized aromatic resin traded along the ancient incense trail.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Legend says this rock was once a chopping block for public executions.

Ten shipwreck-shaped chalets lie along the sand dunes on Namibia’s Skeleton Coast.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

This Central New York ghost town was once a prosperous railroad community.

This building’s ghostly exterior reflects its former lives as a prison, school, and funeral home.

This lonely tomb is all that remains of a once-bustling ancient trade hub visited by Marco Polo.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

It's hard to believe the dizzying patterns covering this abandoned mine are completely natural.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

At this hidden studio, the dying art of taxidermy is alive and well.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Nikola Tesla's former home contains an homage hidden from plain sight.

A holy well supposedly infused with a saint's spirit flows within this quaint chapel.

At this deceptively beautiful beach, nothing is what it seems.