In this pristine Ecuadorian hippie town, residents remain active well into their eighties and nineties.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

A market for witches is hidden within a train station.

A statue honors the children who fought Nazis in Poland.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

An artificial hill and apparent calendric structure built in the Early Middle Ages immortalizes a legendary Polish princess.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

This man-made mound monument was built out of soil from all across the Polish empire.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

The world's most active stratovolcano is almost always erupting.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Ancient mysterious ruts carved in the bedrock.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

This subterranean necropolis holds three floors of antler-dug grave caves.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

The first hospital in the New World.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

The final resting place of Christopher Columbus - or possibly someone else.