A lava tube cooled to form this long tunnel that stays chilly even at the height of summer.

At this Nashville restaurant, cheese and charcuterie arrive via conveyor belt.

An outlet for connecting to memories of lost loved ones and saying goodbyes you never got to say.

This central Florida farm is the largest producer of these little golden fruits in the United States.

This 19th-century house museum features a horse-drawn hearse and other antique oddities.

Admire an ever-changing landscape of stone sculptures.

This extraordinary model train layout covers over 1,700 square feet, with multiple trains running simultaneously.

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

Now a secluded county park, this site was once a "health tourism" destination for wealthy Oregonians.

What began as a prominent Burning Man art piece is now an iconic symbol of downtown Reno.

This maintained cabin is where Josie Morris, an occasional associate of Butch Cassidy, lived out the last 50 years of her life by herself.

This unique landscape is the only place in the world to dig for hourglass-selenite crystals.

More than 12,000 years ago, this park was a playground for mastodons.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

A sacred collection of indigenous rock art.

Five restored historic road bridges in a park along the Kalamazoo River.

Hands-on activities, childbirth artifacts, and a library are all part of this tiny, one-room museum that examines motherhood and women’s roles throughout history.

Play over 120 retro arcade games and pinball machines at this throwback museum.

Step back in time at this immersive historical village.

Fascinating military history, awe-inspiring wildlife encounters, and endless outdoor adventures draw people to this sprawling park.

The first project by the Bureau of Reclamation illustrates both the upsides and downsides of reclamation.

Ride a mechanical corn dog at the alleged birthplace of America's favorite deep-fried wiener.

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