Turntable anonymously received orphans, alms, and groceries.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

These 2000 year old remains of a Roman aqueduct are hidden inside a hotel lobby.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

An open-air "garden" of mural art that changes weekly.

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

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 no man's land slicing through the island is strewn with abandoned relics of another time.

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

This stone tower was built to protect Crete from incoming pirates.

The location of the site of one of the defining battles of feudal Japan is being fought over by two neighboring cities.

This monument celebrates this shopping district's past history as a feudal silver mint.

Traditional 15th century Chinese garden in the middle of Vancouver.

An 18-mile-long tunnel for sewage waste will soon wind within the bowels of Washington, D.C.

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

The last remaining location of a drive-up hot dog stand named after a local pool shark.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.