A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One part antique store, one part curiosities hodge-podge.

A modernist landscape of water and sci-fi concrete.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

The 25th President's marble casket can be visited in this classical Ohio tomb.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

This moving cemetery sphere is a slowly rolling stone.

The final resting place of the most famous sharpshooter.

This unassuming home was once “grand central station” for the Underground Railroad.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

The only presidential monument to display a late POTUS's actual casket.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

World's largest Christmas store.

Take a drunken tour inside the world's largest known geode.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.