This stately estate house features a tower covered in a bright, modern mural.

A Very Low Frequency transmitter you can tune in on your PC.

The remains of three Luftwaffe launch pads designed for manned anti-aircraft missiles.

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

Walk behind a 50-meter-high waterfall.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

A Faraday Cage protects cars from a nearby high-power transmitter.

A gallery of underwater art that can be visited by man and fish alike.

The curios of pharmacist and collector Henry Wellcome.

A monument to the love people have for their pets.

The mummified relic of St. Catherine sits forever on a golden throne.

The Bristol Camera Obscura housed in an ancient windmill.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Underwater volcanic eruption forms new island off the coast of Tonga.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

One of Chile's most active volcanoes is riddled with beautiful caves.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

A toxic lake near a volcanic caldera that is home to flamingos and other life.

This church, buried halfway in lava rock, is all that remains of a Mexican village destroyed by a volcano.

Deep in the Thar desert, a temple crawling with thousands of holy rats.

A mud volcano in Indonesia spews out 50,000 cubic meters of mud every day.

A huge museum of much more than just agriculture displayed in a princess's palace.

The self-mummified monks of Japan.

Russian history in San Francisco.