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

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

Two ancient Buddhist temples crown this dramatic rocky pinnacle.

A watering hole from the late 1800s in the heart of the Campsie Fells.

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

This magical-looking island is notorious for the misfortunes suffered by its owners.

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

Perhaps the most spectacular grotto along the Algarve coastline.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

This cliff-face port is considered a masterpiece of mining engineering.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

The highest cold-water geyser in the world.

Eyam took steps to quarantine themselves and keep the plague from spreading.

Believed to be the country's tallest waterfall, the Njupeskär is actually much smaller.

A railway bridge leading nowhere stands lonely in the middle of a meadow.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.