This grubby wall is said to be one of the Earth's esoteric energy centers.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

These massive moving sand dunes have swallowed an entire village and are still on the run.

The silly symbol for an underground protest group is now scattered around the city.

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

A huge wooden clock that is so beautiful its creator was forcibly blinded.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

Real bones which are said to have belonged to a Polish dragon.

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

An underground city of salt.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

This restored colonial house was once home to the botanist responsible for bringing avocados to the U.S.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

A collection of heirloom roses tucked in a spectacularly beautiful botanical garden on Lake Atitlan.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

One man's fulfilled dream of living on an artificial island made of recycled plastic bottles.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

Found down a long dirt road, a sacred Mexican cenote and 18th-century hacienda remain hidden.