This charming candle shop has been in business since 1789.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A hidden three-foot-wide house separates these two regal churches.

Elaborate tile work in this railway station tells the story of Portugal.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

The final resting place of the great navigator, or maybe his brother.

Spain's largest bullring offers a unique glimpse at architecture and history.

God's Saharan sandbox of wrath.

Traditional 11th-century outdoor tannery.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The other side is actually green.

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

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Morocco's largest Jewish cemetery.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This landmark cemetery in Boston was created more than 300 years ago.

This historic patch of real estate offers a glimpse of colonial Boston.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.