This black shoreline is made up of exploded lava particles.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The mystic whose incorrupt corpse still attracts the faithful.

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

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

Jesus' footprints and the first catacombs in the world.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

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

The mummified relic of St. Antoninus.

This museum is rotten with a century of wax medical deformities.

The largest and most famous wax anatomical collection anywhere in the world.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

Final resting place of the two women killed on a small island off the coast of New Hampshire.

University of New Hampshire holds the documentation and artifacts of local alien abductees.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

Even Henry David Thoreau found this glacial pothole irresistible.

America's oldest archaeological site or a muddled case of wishful thinking.

Birthplace of America's first documented serial killer.