This subterranean passage reveals the city's mining history as well as its legendary terrors.

In Mexico, an abandoned Scottish-looking castle stands as a tribute to love.

This ornate church designed by a self-taught architect is an eclectic masterpiece in the heart of Central Mexico.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

The history of this futuristic crypt-turned-temple is as curious as its facade.

Legends, sculptures, and unique tombs can be seen lurking in these connected cemeteries.

On a picturesque lake island, a massive, “broken” crucifixion has become a popular pilgrimage destination.

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

From Nunavut to Tierra del Fuego, you won't find any lighthouse higher than this one.

The Rio Lerma (Chignahuapan) in El Salto, Mexico, is one of the most polluted rivers in the world. It’s covered in white foam, and falling in can kill.

The corner walls of a primary school showcase a Mexican version of memento mori.

Shocking dioramas of human torture, meant to promote human rights awareness.

One of the oldest hospitals in the Americas is now decorated in hallucinatory murals.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

A 1542-foot-long suspension bridge offers scenic mountain views.

This one-time health resort was used by aristocrats around the world.

An unmistakable facial pareidolia in the Julian Alps also includes a fantastic tale.

A pyramid in Central Europe of unknown origin.

At this exhibit on the world of poison, venomous animals steal the show.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

This strange statue features a bust of the famous composer plopped atop a woman's body.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.