The largest 19th century panorama in the world still in-situ.

In the Netherlands, one of the world's largest private car collections can be found.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

A unique work of automotive art calls this shopping center home.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

This eatery is emblematic of the connection between Jamaica and Nubia.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

This bronze statue was dedicated to a 1966 Beatles hit.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

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

This church houses the tomb—but not the remains—of St. Nicholas, the likely progenitor to Santa Claus.

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

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

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

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

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

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

A deadly ancient portal to the underworld.

Seven early Christians were sealed into a cave where legend has it they slept unharmed for centuries.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

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.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.