The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

One of Ireland's most infamous prisons for rebels including men, women and children.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

This ancient Irish landscape boasts hundreds of legendary ruins.

The ruins of a medieval monastery named after a type of tree.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

What remains of the simple red brick chapel where the women's rights movement began.

World's largest herd of white deer populate a former U.S. Army depot.

A sprawling museum located on the former site of the Orphan Girl Mine.

The only road through the heart of Glacier National Park.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

This Central New York ghost town was once a prosperous railroad community.

This exhibit allows visitors to wander through the interior of a replica Ice Age glacial cave.

An unexpected desert oasis in South America.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

Huge stone depressions which may have acted as an Incan agricultural experiment.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.