One of the largest Buddhist stupas in the world keeps an eye out in every direction.

The oldest Hindu temple complex in Nepal serves as the seat of Nepal’s national deity, Lord Pashupatinath.

The apartment building where JFK's assassin lived after defecting to the Soviet Union.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

A barbarous band of serpents guard the bases of these Aztec temples.

Whitewashed mosque contains the world's largest carpet.

The cluster of igloo-like domes forms the remains of an ancient burial ground.

A mesmerizing wonderland of salt-encrusted tree branches and pencil roots.

The English graveyard of Mineral del Monte, a magical little piece of Cornwall in Mexico.

The striking and little-touristed ruins of an ancient city destroyed and rebuilt by the Aztecs.

An impressive if morbid collection of mummified remains from different eras of the region's history.

This partially reconstructed Aztec pyramid gives a glimpse of what its larger counterparts would have looked like.

The ruins of a former sanctuary for elite Aztec warriors.

Inside a busy metro station, an impressive mural depicts the prehispanic city of Tenochtitlán.

This historic cemetery built for victims of the epidemics that swept Guadalajara is shrouded in macabre tales.

The ruins of an ancient pyramid built by the mysterious Chupícuaro civilization.

A mysterious pillar in an ancient burial chamber is said to predict how long you have to live.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Once a year in Pomuch, the dead are taken out for a cleaning.

The burial place of some of Mexico's most prominent residents is full of macabre stories and hidden masonic symbols.

A neo-Gothic temple in central Mexico featuring a labyrinthine network of crypts.

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

The singular ruins of a mysterious lost city.

The stoutest tree in the world.