The remains of the dam that unleashed a 15-foot wall of water on Denver.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

An annual festival celebrating Colorado's most famous frozen corpse.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

This interpretive path lets you get up close and personal with dinosaur bones.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Climb inside an iron crystal magnified 165 billion times its normal size.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

Remnants of a Victorian garden feature sitting in public woodland.

The curios of pharmacist and collector Henry Wellcome.