This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

These hellish-looking cliffs in the Canadian Arctic have been burning for centuries.

Roadside collection of 65,000 signs.

At a lodge and RV park is a collection of headwear that comes in at more than 11,300 and counting.

Every summer West Seattle experiences a housing bloom.

Couple's personal collection of pinball machines turned public pinball museum.

This Elizabethan hedge maze is one of only six in North America.

This scenic waterfront swimming pool is the longest salt water pool in North America.

The frozen bubbles that form on the icy surface of this Canadian lake contain enough methane to create a small explosion.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

Legend says the water within these mysterious sacred springs stays cold even when boiled.

A Victorian marvel of engineering is now a 21st-century tourist attraction.

A trail of "Game of Thrones"-themed doors carved from fallen trees from the iconic Dark Hedges.

This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.

The lake that fills and empties itself at random.

400 million years of erosion shaped these fascinating seaside caves, which made an appearance on 'Game of Thrones.'

A memorial to a goat culled during a foot and mouth disease outbreak guards a series of fantastical caves.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

A former watering trough turned local heritage site.

The "Black Arch" guards the entrance to the picturesque Glens of Antrim.

A beloved pet is buried in among the many old and famous residents of a Northern Ireland cemetery.

A museum marks and documents the site of the Titanic's launch.

It is said a heartbroken man visited the gap every day to stare blankly out at the sea.

These unknown Bronze Age earthworks are believed to be ancient burial mounds.