Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

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

The final resting place of the poets Shelley and Keats.

This award-winning men's bathroom was just too beautiful to not allow women to see.

This replica of the Greek structure is in the heart of Nashville.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

A tribute to Ponce de Leon's supposed quest for eternal youth.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

Visit the monolithic tomb of America's most famous general.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The famous author's cottage hideaway.

An ancient Egyptian temple in the middle of Madrid, Spain.

Commonly acknowledged as the only public monument to the Devil himself.

Giant topiary dog once played a role in a terrorist bomb plot.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

A fortified city, home to a remaining population of five families

Founded as a refugee camp, now a popular tourist spot.

Traditional 11th-century outdoor tannery.

Mosaics, storks, and brothels—this ancient city has it all.

Hoax, mistake, or evidence of dinosaurs in human times?