This grubby wall is said to be one of the Earth's esoteric energy centers.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

A beautiful but toxic fountain of mercury.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The King is honored by an elaborate grotto on a continent he never visited.

A remarkable lifelong collection of antiques and art preserved in a historic Melbourne townhouse.

This poignant art installation raises awareness of violence against women.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

A collection of objects supposedly singed by the hands of souls in purgatory.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

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

Pilgrimage site for star-crossed lovers.

A hospital where antique dolls are given new life.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

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