This park is home to well over 100 handmade birdhouses.

Remnants of a storybook amusement park hidden behind a strip mall.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

A former copper mine which became a truly unsuccessful prison.

Home to Hollywood history and a very special salt crystal.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

The most peaceful "country" in the Middle East.

This ancient village is peopled by a religious minority and is still using some of the same materials it was built with thousands of years ago.

A Biblically notable site over the ruins of an ancient city that is now a protected World Heritage site.

Crusader ruin with views over South Lebanon.

Believed to be the birthplace of John Balliol.

Trek through the jungle on a boat and a swinging bridge and you'll be rewarded with these refreshing, if pungent, mineral pools.

This isolated Maya cemetery in Chiapas is distinguished by its towering, colorful wooden crosses.

The enigmatic and seldom visited ruins of a Mayan city-state.

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

Once a year in Pomuch, the dead are taken out for a cleaning.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

Naturally protected city carved from a rock face.