The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

Three columns of volcanic rock shoot out of the ocean.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

This tiny museum's sizable collection is jammed into a former underground public toilet.

This stunning concert hall has become a symbol of Iceland's national recovery.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This grand Spanish-Cuban restaurant has been serving customers for more than a century.

Electrical pylon in the shape of Disney's beloved mouse.

A field of nothing but boulders which resembles a giant's gravel driveway.

An abandoned coal mine reached by a steep hike.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

This dramatic rail curve was once the target of a failed Nazi attack.

This iconic Lancaster everyman has been reading the same story since 1980.

These small house replicas have stood proudly since the 1950s, even as the property has changed hands.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Wedged between two sets of row houses is an awkwardly located family graveyard.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.