The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The remnants of an archaeological camp stand within Tikal National Park.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

Six beautiful wooden giants are hidden around Copenhagen.

This small, ingenious cannon once helped regulate Parisian life.

The oldest continuously operating mint in the world that has been making coins since the 9th-century.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

The house where a Danish physicist discovered the connection between electricity and magnetism.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

This former lieutenant governor's home is brimming with curiosities.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

Most-visited and most-photographed slot canyon in the American Southwest.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

Old Danish castle immortalized in Shakespeare's Hamlet.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

The world’s largest underwater sculpture is found just off the coast of Nassau.