Safely view the Soufrière Hills volcano, which has been erupting since 1995.

A Japanese-era military tunnel is now a psychedelic art exhibit.

A former salt mine is now a cool picnic spot for families and asthmatics.

It has sculptures, objects, paintings, and even puns displayed in a house and garden.

The longest floating boardwalk in the United States.

A colony of Mexican free-tailed bats live under the bridge and take flight at sundown all summer long.

The ruins of a prehistoric village hide on a remote Taiwanese island.

Haunted dolls, macabre artifacts, and more make up the collection of the “most haunted museum in the world.”

After sitting abandoned for decades, this historic mine is now the only publicly accessible chalk room and pillar mine in North America.

This stunningly massive housing complex is a go-to filming location for dystopian sci-fi cinema.

On moonless nights, it's said that you can still hear the church bell of a village that was swept out of the dunes and lost to the rising sea.

In the middle of the Alaskan wilderness, lies a train trestle to nowhere.

The Cape of Good Hope is not quite as low as you can go on the African continent, but it's still geographically significant.

West Virginia’s first state park commemorates one of the state’s last significant Civil War battles.

Step back in time at this historic variety store, packed with items from a bygone era.

West Virginia’s largest bog is home to rare carnivorous plants.

This statue in Talcott, West Virginia, is an enduring symbol of American grit.

Erosion has transformed this sandstone boulder into a massive dune-filled cavern.

One of the most important fortresses along the Danube now lies in ruins.

A natural sandstone bridge nestled within a mature forest in southern Illinois.

This 4,000-acre restored grassland in northern Illinois is home to a range of native flora and fauna, from clovers to plovers to a herd of bison.

An oddity shop filled with loads of bones, skulls, crafting materials, vintage taxidermy, and more.

A 100-year-old Japanese command center is now a unique underground university walkway with periodic exhibits.

Hundreds of tree trunks and Welwitschia flowers populate this living fossil haven.