Massive volcano in the Andes is the farthest point from earth's center.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Go inside to really appreciate this 500-year-old technological masterpiece.

A fountain standing as a testament to a doomed alliance.

Ancient serpentine sacrifice holder that has stood the test of time.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

The ancient latrines of the Greeks, in all their public glory.

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

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

Ancient snack bar of the Roman Empire re-opened.

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

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Breathtaking and huge 430 year old maps of Italy.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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

The celebrated eyesore created by starry-eyed sweethearts.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

These medieval skyscrapers dominate the skyline of this small Tuscan town.