A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A 19th-century artistocrat's mansion, turned into a library, hidden in a modern library.

These ruins have been linked to a sherbet factory that exploded, but the story may be entirely fictional.

Water-themed sculptures guard this unusually square structure.

The community pools that the community refused to give up on.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

A scattered trail of street art adds a pop of color to the city's stark structures.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

The most metal church of all time was built in record time because of an international, pious pissing contest.

Roman ruins, natural methane fires and a lovely beach.

The best-preserved ancient theater in the world.

A Turkish ghost town abandoned in a population exchange with Greece.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

A deadly ancient portal to the underworld.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Roman ruins top white travertine terraces formed by ancient hot springs.

These tiny effigies are believed to represent victims of Edinburgh’s notorious Anatomy Murders.