A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

Handmade treasures from around the world.

A storybook European village in Berkeley.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

This unimaginably large pile of sand near Nazca is one of the tallest dunes in the world.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

A mysterious Neolithic tomb is perched along the edge of a modern golf course.

Bridge that died in war and was resurected.

This Manchester laundromat is hiding something.

A mysterious demonic figure peers down from its perch within the gorgeous Chester Cathedral.

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

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

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

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

A stairway to heaven, or to nowhere at all.

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

A graveyard and memorial chapel for victims of leprosy.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.