This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

An impressive armored bronze effigy marks the tomb of one of the medieval era's greatest warriors.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A monument to a working class martyr.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Commemorating the spot where the famous scientist fed his pigeons.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

One of England's most famous churches hides a pair of little known architectural treasures.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

One of the biggest markets in Asia, under one of the continent's largest domes.

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

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

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

Largest pre-Lent festival in the Dominican Republic.

A remarkable range of flora and fauna are represented in this Dominican nature preserve.

After Christopher Columbus died, his son built a fancy house to rule from.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The most photographed house in Maine looks good enough to eat.

A terrific purveyor of natural history objects and curios.