Pop culture has helped to keep this iconic British building from being destroyed.

The tomb of history's greatest potato promoter is surrounded by tubers.

France's most famous cemetery, with some of its most curious tombs.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

The only museum with its curator—and her pets—buried inside.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Copenhagen's celebrated theme park and gardens.

A collection of noses tucked inside an art museum reveals how times have changed.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A section of the long chain that blocked enemy ships from entering Constantinople.

A marvel of Byzantine engineering under the streets of Istanbul.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

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

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

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

This famous city eluded concrete detection until the early 2000's.