An ancient octagonal weather station named for the eight Greek gods of wind.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

Notorious artist squat renovated into legal studios.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

One of Mexico's youngest major cities still holds on to this structure representing its short modern history.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

The oldest continuously operating pharmacy in Europe.

The fountain marks the area where hundreds of accused witches were burned at the stake.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

Browse through a century of this principality's first popular export.

Liechtenstein's royal family calls this medieval alpine castle home.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

One of America's oldest stadiums was also the site of one of the most brutal anti-labor acts in American history.