The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Rome’s legendary peephole vista is also a former Crusader stronghold.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Romans built the world's tallest artificial waterfall in 271 BC.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

Geothermal waterfalls in Tuscany.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

A 16th-century horror show built in a lovely Italian garden.

The "lovely red Vega" of the legendary record-settling pilot.

Look closely and you’ll notice that the color changes a third of the way up the tower.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Yo, Adrian!

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

This elaborate towering structure was once famed for its revolutionary height.

This collection of grinning ephemera has grown from basement to Brooklyn.

A monument celebrating the idea of reaching inaccessible places.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

A historic presidential getaway on the continental United States' southernmost island.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.