Daily jousts and dancing barrel makers in Munich's mechanical clock.

Largest lake in Great Britain measured by surface area.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Three hundred years of preserved Spanish colonial history in San Antonio.

This downtown Dallas art installation is always on the lookout.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

These enlarged egg sculptures represent the native birds of eastern Iceland.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

This elegant arc of a waterfall marks a religious turning point.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The maritime museum that boasts the largest nautical library in the western hemisphere.

America's first public mental health facility.

The world's largest fire hydrant is supposedly tornado-proof.

The record holder for the world’s largest peach.

Tour the oldest unrestored plantation house in America that is open to the public.

Mile-long cave system near Great Smoky Mountains.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.