The middle finger of modernity.

The final resting place of the poets Shelley and Keats.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This Singaporean food-court stall was home to the world's cheapest Michelin-starred meal.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This popular cave pool is truly magical, despite the crowds.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

These azure waters were thought to lead to the Mayan Underworld.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

In a quiet residential neighborhood, one restaurant fights to preserve heirloom corn, one tortilla at a time.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

These temples are among the oldest free-standing stone buildings in the world.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This subterranean necropolis holds three floors of antler-dug grave caves.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

The large collection of pre-Columbian pottery might make you blush.