These spectacular, symbolic serpents lie within the shadow of the Great Temple.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

Its columns were all carved from the same white oak tree.

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

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

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

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

These caves secretly held national treasures during World War II.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Legend says this sacred tree was a gift from goddess Athena.

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

A modern sliver of architecture in Roma.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

The world's longest covered bridge is a quaint and incredible wooden tunnel.

A mysterious spot where the laws of gravity seem not to apply.

Iconic rock formations that allow for exploration during high or low tide.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

Three buildings constructed of over 25,000 multicolored glass bottles.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

Rusty red sands line the shores of this Canadian Province.