These planks were originally installed to hold the dead.

This tiny 1930s Art Deco airport is a beautiful remnant of a bygone era.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

This statue in Plaza San Francisco commemorates a beloved figure from 1950s Havana.

Neo-cave art on the macro scale.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

Iconic red and white plaques show the creative names invented to navigate the city streets.

These azure waters were thought to lead to the Mayan Underworld.

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

Great Britain's only hat-making museum.

These ruins of a medieval church are full of architectural mysteries.

The ruins of the second of three churches dedicated to the saint in a touristic Scottish town.

One of the holiest places in the region, devotees come to Tirta Empul to bathe in the holy spring water.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

Oriental bazaar in the heart of Sarajevo.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.