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

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

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

A tribute to Ponce de Leon's supposed quest for eternal youth.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

Bizarre and inspired combination store selling only two items: tires and bibles.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

The largest ancient burial mound in Ohio.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

In this relatively flat state the highest point is an honored place.

Train fans from all over flock to this railroad viewing park where three lines converge.

This institution pays tribute to an associate justice who protected civil rights and prosecuted Nazis.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

The massive machine creates cracking displays of indoor lightning.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

Ice cream stand, snack bar, and time capsule of milk conveyance.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

These items are all that remain from the room used by the author during his second tour of the U.S.