On the Oregon coast there is a natural hole that seems to be draining the sea.

There's something big lurking beneath the surface of this tiny Oregon park.

This naturally-sourced hot spring is now home to a clothing-optional resort.

A renovated hotel is bringing new life to a nearly-abandoned mining town in Colorado.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

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

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

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

A downtown park built on top of unclaimed graves.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

This spooky road cut through a mound of ancient coral might be haunted by a witch.

A tiny twin to Seattle's Fremont troll hides from the Florida sun under the Atlantic Boulevard drawbridge.

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This Minnesota-shaped forest is actually located in the state it is shaped like.

The Real LegoLand.

Sleepy Minneapolis block beats Guinness Record for most churches on one city block.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

The oldest continually used church in Minneapolis also sells great meat pies.

A quaint Russian village in the middle of a German metropolis.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.