The overgrown remains of one of the premier auto-racing speedways in the Midwest—and also one of the most deadly.

One of the few authentic Japanese gardens in the state of Indiana and perhaps the most peaceful place in the city of Mishawaka.

A set of tall pillars and alcove-like rooms that are significant to the Miami people of Indiana.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

The first KFC is on the National Register of Historic Places.

This former school is now abandoned and a canvas for graffiti artists.

This abandoned oil depot produces world's longest echo in a manmade structure.

Scotland's only funicular railway is also the United Kingdom's highest.

In 1990, this 37-foot red steel bottle sailed from New York to England.

Named for its similarity to the tip of a violin's bow, this striking formation was created by millions of years of erosion.

A collective artwork that any visitor to the islands of Barra and Vatersay can add to.

This former World War II artillery defense site was built to guard the industrial city of Glasgow.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The oldest natural aquarium in the United Kingdom.

A long-abandoned relic of World War II.

This ruined travelers shelter sits abandoned in a desolate bog of Flow Country.

This short white tower is all that's left of Scotland's first permanently manned lighthouse.

This 15th-century structure had a long, tortuous journey to its current location.

Once designed as a natural history museum, this building is now home to a massive art gallery.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

Neon artworks light up this dark Edinburgh tunnel.

An iconic red telephone box turned tiny art gallery.

A once extravagant mansion, now reduced to ruin.

Once home to a Scottish baronet, this 18th-century historic house doubles as a legendary art space.