A Spanish town built into the cliffs.

The world's largest wooden structure.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

No one really knows how these old hobby horses got here, but the herd keeps growing.

A castle built by an eccentric medieval enthusiast in suburban Ohio.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

What once sat in the world’s spotlight is today a largely disused ghost complex.

Hideout of thieves, monks, and goat-footed gods.

Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.

Narrowest house in Boston.

An 80-year-old house built out of newspapers.

An office built to look like a giant basket.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

Today this bizarre rooftop phone booth seems like a piece of kitsch but it was once used to spot disastrous storms.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

A floating museum that was sunk by a flood and left to rot in the tides.

Curious rock formations in a tiny Kansas state park.

A unique attraction and museum dedicated to exploring iconic roadside structures.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

A statue high in a hill that represents how Buffalo Bill got his name.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.