Strange red rock formations that have been attributed to a higher power for hundreds of years.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

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

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

A 200-year-old collection of oddities and medical paraphernalia.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

Nature took her revenge on the "Wickedest City in the World."

A 40-foot waterfall flows into this unique natural swimming hole.

A version of this picturesque mill has existed since the 1800s.

Often referred to as the largest spring in America.

An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

This small turbine mill along Rocky Creek was built in 1928

The only remaining historic maritime signal station in the United States.

East meets West in this Japanese-style garden featuring plants native to Maine’s Mount Desert Island.

A nature and outdoor art preserve features the large-scale, abstract works of a renowned Maine folk artist.

The deepest spring in Missouri.

It's as if the herds walked straight out of a fairy tale into the Missouri wilds.

Where the author wrote her beloved "Little House" books.