This hauntingly beautiful stretch of Florida coastline is covered in sun-bleached trees.

How did a 154-foot-long piece of spacecraft wind up abandoned along the side of a Florida road?

The only surviving piece of Copenhagen's 16th-century defensive wall.

An abstract monument to a symphonic composer.

One of the oldest structures in Helsinki is this burrow grave that dates back to the Bronze Age.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

A subterranean house of worship carved right out of the bedrock.

An alien church provides much needed silence in the midst of a Finland shopping center.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

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

Historical structures and natural wonders await visitors to this preserve.

What is it about mushrooms that makes people wish they lived inside of them?

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."