These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A towering monument in Spain has proven to be more labor-intensive than initially planned.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

People from around the world visit the shrine of Japan’s legendarily loyal dog.

An eerie reminder to the horrors of World War II.

This garden located inside a bamboo forest once belonged to a famous Japanese actor.

The 10,000 Torii shrine.

A train ride to the middle of nowhere gives its passengers some of the most iconic views of Japan's seasons.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

This beautiful site is where the first transatlantic telegraph was sent from.

This Neolithic passage tomb forms part of a World Heritage Site.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

The modern birthplace of Irish freedom.

A hugely vast Irish landscape of barren rock that stretches for miles.