Ruins of a Carnegie family mansion on Cumberland Island.

An underground magnet for ever-changing street art.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This quirky curiosity shop takes its cues from the world's bazaars.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

The remnants of a 1970 plane crash remain high in the Rocky Mountains.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

Take a dip in the world's largest mineral hot springs pool.

An ADA-accessible trail and deck offering stunning views of Colorado’s Mount of the Holy Cross.

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

This remote Colorado canyon is home to the second-largest collection of natural arches in the world.

This nearly abandoned town was once a thriving mining community until a series of fires.

A multiversal transit station located right below a highway interchange.

A home covered with elaborate mosaic and other pieces of art.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

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

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

This museum offers an actual time machine back through Colorado's past.

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

A downtown park built on top of unclaimed graves.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.