For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

Take a monster truck tour around an ostrich farm in the middle of the desert.

A network of fortifications that never saw conflict.

A magnificent menagerie of oddities, including taxidermy cryptids.

A solemn reminder of the infamous World War II war crime that massacred almost all the men in a small Greek town.

German and American troops joined forces to defend this fortress during the strangest battle of World War II.

This huge industrial sculpture looks like a UFO and a factory had a baby.

Officially the lowest mountain in Japan.

This mythical weapon stuck on the mountaintop is also the site of the first honeymoon in Japan's history.

These headstones and a few stone foundations are all that remain of a once-booming mining town.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

A giant poultry statue immortalizes one of Alaska's more humorous town names.

A lonely monument to the original Silicon Valley tech campus.

Though technically an illegal structure, this eclectic DIY apartment complex is beloved by its residents.

An annual extravaganza of Broadway theater memorabilia.

An enormous sinkhole that local lore attributes to the anger of the Virgin Mary.

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

A 200-year-old collection of oddities and medical paraphernalia.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

This statue has a painful history, but activists have since recontextualized it as a way to educate visitors about the dangers posed by fascist regimes.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.