A spooky spot along the road where things mysteriously seem to move uphill by themselves.

Conspiracy theories and occult legends surround this mysterious natural rock formation.

Spiral alpine structure provides an alternative experience of viewing the Matterhorn.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

A sixth-century Byzantine cistern hidden below a modern carpet store.

Once home to a local bear named "Bruno."

For the last century, this international border within a small town has appeared and disappeared various times.

From afar it looks like someone's hat blew into the water, but closer inspection reveals a giant floating sculpture.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

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

A decaying, yet still functioning, work of communist architecture.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

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

This medieval castle was reconstructed by Carlo Scarpa.

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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Half-drowned wooden stumps and stone blocks are all that remain of a Victorian landing that was destroyed by storms.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Scale model of St. Peter's Cathedral (Rome) in the middle of a small Dutch town.