The once-grand remains of this resort are slowly turning into the strange ruins of the future.

The abandoned medieval theme park was meant to be the "Disneyland of the Philippines."

A once great mansion stands in stately ruin.

Bohol's mysterious brown hills.

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

A magically clear, blue river that seems to spring from nowhere.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

A coal fire has been burning underground here since 1896.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

Toss a Frisbee through the ruins of this Colorado gold mining town.

A prehistoric rock shelter that's literally in someone's backyard.

A river runs through this remote valley in a very unexpected way.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

Unlike most arches, this geological oddity formed in a volcanic dike.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

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

A fake mine that was made using real mining techniques which is also used as a community center.

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

A mental health hospital dating back more than 139 years, now features a museum.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

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