The celebrated eyesore created by starry-eyed sweethearts.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

An overlooked memorial honoring the local Washington residents who died in World War I.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

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

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

The only visible remains of this ancient Greek underground temple is its roof protruding from the earth.

One of the tallest lighthouses in the world also serves as a monument to the fallen of World War I.

This Roman amphitheatre was also the location of the first gladiator school.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

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

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

2300-year-old Roman road connecting the empire.

Explore 4,000 years of European and American art history in the heart of northwest Louisiana.

European castle ruins in an American state park are actually the product of death and grief.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

An extravagant western hotel where every floor is the "ground floor."

The world's tallest statue of an American hero.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

The walls of this tiny Italian church are entirely covered with frescoes.

Pilgrimage site for star-crossed lovers.