The former home of Samuel Clemens and family remembers the happiest period of the author's life.

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

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

An abstract monument to a symphonic composer.

A giant gorilla made of used car tires used to sit sentinel over a Helsinki college campus.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Exact replica of the ancient monument, but much, much lighter.

An experimental, automotive replica of Stonehenge.