Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This landmark cemetery in Boston was created more than 300 years ago.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

When this former hospital pharmacy closed in 2013 it already looked like a museum, so they turned it into one.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This magnificent Cincinnati graveyard is also a popular public park.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Historic church where a number of Shakespeare's actors are buried.

The ritual has been performed uninterrupted for nearly 700 years.

Ship-sized kinetic sculptural fantasy.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Museum preserving torture methods from the past.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

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.

This cemetery features modernist statues as strange as its name.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.