A 19th-century Baja cantina that many say is the birthplace of the margarita.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

This 18th-century fort surrounded by a moat was used to store gun powder and ammunition, and now sits in the middle of a large part in Dublin.

The modern birthplace of Irish freedom.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

This supermarket offers shoppers a window into the past alongside their groceries.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

Most-visited and most-photographed slot canyon in the American Southwest.

Spend the night in this formerly abandoned traditional Scottish village.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

At least according to the Guinness World Records.

Every Saturday morning, this microbakery fills up with freshly baked pastries and sourdough breads.

Vermont's hills are alive with the sound of music at this historic hotel.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The oldest residential street in Europe also features an optical illusion.

Though dynamited and defaced, the statue still stands outside the law courts in Georgetown, Guyana.

A nesting ground for four of the world’s seven marine turtle species, most of which are endangered.

One of the first intercontinental ballistic missile sites in the United States.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.