A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

A bridge that dates back to the 12th century is said to have made the devil very angry.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

This former sugarcane transport tunnel is now a portal to a lovely beach.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

This small primate research island is teeming with playing, fighting wild monkeys.

The world's brightest bioluminescent bay.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

An enchanting natural wonder in Puerto Rico's Camuy River Park.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.