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

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

A museum dedicated to the mysterious cryptid.

This hot dog-shaped diner has moved all around Colorado, but has never been to New York.

A hotel with a rich Wild West history of miners and bootleggers.

This spectacular track has run continuously since 1882.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The location where the iconic movie character declared it was time to go home.

More than a century old, this trading post resides in the Navajo Nation.

The Grand Canyon of Texas.

The lasting remains of a bygone era of open-air meat markets.

A remarkable feat of Victorian engineering across the Firth of Forth.

A six-ton wedding present for the King of the Scots.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.

Largest lake in Great Britain measured by surface area.