Colorado's only active volcano last erupted around 4,000 years ago.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

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

This Chinese-style quartz sundial was saved in its final hour.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

A beautiful combination of living flora with preserved bones covers the shelves of this shop.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

New Hampshire's first neighborhood is now preserved as a historic village with live action role players.

This site was once the largest ski jump tower in the world.

The Old Man of the Mountain’s less-famous, but still beloved little brother is said to resemble a leader of the Abenaki tribe.

After the state would not recreate this beloved rock formation, three New Hampshire brothers took things into their own hands.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The ghost town that was one of New Hampshire's first settlements now exists as a park detailing its history.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

This strangely amalgamated museum explores the history of the Timex clock company as well as archaeology.

An abandoned 146-acre summer resort slowly being reclaimed by nature.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

Underground tunnels remain beneath this abandoned mental asylum.

Home of the Daffodil Festival, Castle Craig, and a ghostly hound.

A 26-foot-tall fiberglass American legend stands proudly here.

In a Connecticut park, a statue pays tribute to the Indigenous people of this land.

This Connecticut ferry has been operating in some form since 1655.