A meow-velous tribute to a beloved street cat, made famous on the internet.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The ruins of this ancient fortification wall sit in the middle of a quiet, residential intersection.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

According to legend, this cavern holds the passage that Persephone used to travel to and from the underworld.

Only open for two days a year, this church links ancient Greek and modern Christian celebrations.

This legendary city has been a tourist attraction for centuries.

A closer look at this somewhat faded hotel by the Corinth Canal reveals the architectural undertones of a genius.

Monasteries on rock pillars, once accessible only by frayed ropes.

The hallucinogenic center of the ancient world.

The first recognized Neanderthal remains were found in this now-lost cave in 1856.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

The only house in Oregon designed by the famous architect, Frank Lloyd Wright.

This incongruous small ferry across the Willamette River north of Salem, Oregon has been operating continuously since the 1850s.

A 36-ton remnant of the last Ice Age now resides amid picturesque vineyards.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

The oldest university museum west of the Mississippi retains its 19th century feel.

A mysteriously dark cemetery monument fuels stories and legends galore.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

The dream home of an iconoclastic renaissance man still stands as a monument to his domestically mundane vision.

A late-medieval Dutch castle with trick fountains in its whimsical water gardens.