A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

Dunk your churros in rich hot chocolate on the city’s old “Chocolate Street.”

A bookstore dedicated to the intersection of comedy and art.

An early 20th-century bullring converted into a modern shopping center.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

This ancient Spanish castle sits high upon a hilltop.

A hidden highland of peaks and pastures, largely unchanged since medieval times.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

A museum dedicated exclusively to the lore and history of ouija boards.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The colonial home of Paul Revere during the American Revolution.

The head of a legendary lumberjack watches over a river in Maine.