This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

A winding, blood-red tunnel of hardened lava navigable by foot.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Medicinal spa created with the discharge from a geothermal energy plant.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

This Indonesian village was revitalized by a vibrant rainbow paint job.

A sprawling nature preserve harbors the world's only living dragons.

This Sumatran root bridge took almost 30 years to knit itself together.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

This underwater sculpture park is the basis for a manmade coral reef.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

Centuries-old bridges grown from tangled roots.

The remains of what was, not so long ago, the world's largest city.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

An eclectic mix of influences rot together in harmony in this India necropolis.

Sacred Indian temple that’s all monkey business.

This Jewish bakery, among the last in the region, sells legendary sweets from a century-old storefront.

This black shoreline is made up of exploded lava particles.

A forgotten graveyard lost in the tangles of an overgrown garden.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.