Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.

The fighters and conspirators that won independence for Paraguay held secret meetings at this historic house.

A beautiful museum filled with thousands of chairs.

An underexplored, 130-foot tropical waterfall that you will have all to yourself.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

One family's mission to exemplify sustainability took on a whole new life as a surprisingly beautiful home.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

You can swim in these highly salty, mesmerizingly blue lakes in the Atacama Desert.

This likeness of the famous revolutionary is entirely made of recycled scraps of metal.

A valley of unique erosion patterns lends to a view like nothing on Earth.

The soaring gondola lines form the longest aerial cable car system in the world.

Bolivia's needle-like rock formations.

The oldest working Brewery in Britain.

Traditional 11th-century outdoor tannery.

The world's largest pineapple building honors Bathurst's favorite fruit.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Celebrating the history of Hangul, the Korean writing system invented by King Sejong to improve his realm’s literacy.

The last fully working Victorian Turkish bath in England.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

Where the sleeping monsters of Scotland's oil industry are left to rust.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Every September, international competitors flock to a tiny Scottish island's flooded quarries.

A collective artwork that any visitor to the islands of Barra and Vatersay can add to.

This beach runway is off limits during high tide.