This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

The world's most active stratovolcano is almost always erupting.

A dazzling temple featuring a towering 12-meter golden Buddha.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A devilishly named gorge that was a sign of salvation for many pioneers.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

Singing sand that stands as the final remains of an ancient lake.

Despite sitting firmly in the global cradle of the Church of Jesus Christ of Latter-day Saints, this Hare Krishna temple is host to one of the largest color festivals outside India.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

No one knows how many bodies are in this vault in a Chicago public park.

One of Cincinnati's greatest fighters once trained at a now defunct gym in this Over-The-Rhine neighborhood.