This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

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

Deliciousness abounds at a Guatemalan restaurant masquerading as a pizzeria.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This iconic tattoo shop has its own onsite museum with artifacts from the early history of modern body art.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A Christian monastery stands on what was once a holy Incan temple.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

An Inca spa, military outpost or maybe… both?

Did Inca children also slide down these smooth rocky slopes above Cusco?

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

The elaborate crypt where Peruvian heroes of the War of the Pacific were laid to rest.

A pretty park of over 1,600 olive trees that grew from just three saplings brought over from Spain.

Now containing the bones of the actual conquistador, instead of someone else.

This stone complex marks the urban center of a lost civilization.

This antique rail car has been reborn as an urban cafe.