A new sculpture calls attention to climate change in the centuries-old city it threatens.

Venice's "Island of the Mad."

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A steamer run aground near Bimini lives a second life as a playground for scuba divers.

The first European-style university in western Sub-Saharan Africa.

The oldest of its kind in the country, this tree sits where formerly enslaved people are said to have founded the city of Freetown.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

Visible below the waves are memorials to the city's Gold Rush dead.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

This bridge was constructed from the rubble of the infamous Bastille.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

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

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

Ancient snack bar of the Roman Empire re-opened.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.