The first bridge observation tower in the U.S. offers one of the best views of Maine.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

Locals call this magical moss-covered walkway the "Emerald Path."

Rocky outcrops containing overhangs, caves, fissures, clefts, and alcoves that invite exploration and scrambling.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

Abandoned Italianate architecture on the coast of Maine.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

What was once believed to be a church floor turned out to be the artwork of geology.

Pick up this rock and become an instant legend.

Dozens of large, brightly-colored paintings adorn the walls of the "street art capital of Iceland."

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

The final resting place of the controversial chess champion.

Europe’s most powerful hot spring supplies the surrounding region with hot water.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

Along this wire fence, travelers have been leaving a particular memento since 2012.

A Wes Anderson-esque lighthouse that boasts magnificent coastal views.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.