This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

Once one of the largest producers of pig iron in the world.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

One person's lost luggage is another person's treasure.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

World's largest collection of serial killer artwork and other macabre exhibits.

Catacombs turned marketplace.

No matter how many times this community-run sauna gets destroyed, it always rises from the ashes.

Barça football fans might see the insignia hidden in a church window as a divine sign.

Mountain where Jesus was first tempted by the Devil.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.