A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

In which a local geological marvel becomes a quaint roadside attraction.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A toxic ghost town sitting atop a massive coal fire.

The highest peak in the state of Vermont has some interesting features.

This memorial in the Adirondack wilderness honors the accidental death of a Scottish entrepreneur.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

This colorful gate stands as an entrance to the walled city of Old San Juan.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

The world's brightest bioluminescent bay.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Experience a charming 1930s version of "infotainment."

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

In a town that's had a whole lot of giant chairs this one still stands tall, just not the tallest.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

A grave surprise in the downtown area of New England's second-largest city.

The only surviving building of historic West Boylston, which was flooded to create the Wachusett Reservoir.

Once the largest gravity dam in the world.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

This bridge was constructed from the rubble of the infamous Bastille.