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

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

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

An enormous, inside-out glass globe built in 1935.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Final resting place of one of the classic authors of horror literature.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A Bibliophile's Dream.

Hot Doug's "Hot Dog" Stand.

A Beaux-Arts triumph set to become Ford's innovation campus

The only surviving prototype for Buckminster Fuller's house of the future.

Trade in that pesky human soul for cold-hard circuits.

The city is full of whimsical portals to another world.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.