Stepping inside this coffee shop is a journey through time.

Contractors in this Oregon town have been stamping their names in sidewalks since 1908.

A haven for wildlife amid the farmlands and development of the Willamette River Valley.

This dilapidated ship carcass covered in trees is a striking sight.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

Quirky movable sculptures have been racing through the town since 1983.

This Idaho state park boasts the tallest single-structured sand dune in North America.

These natural hot springs form four-tiered soaking pools with temperatures ranging from 85 to 115 degrees Fahrenheit.

A crumbling hospital from the 1850s on Roosevelt Island.

A sculptural commentary on capitalism pokes up from the East River.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

An art installation commemorates journalist Nellie Bly's undercover reporting inside a New York asylum.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

There aren't too many operational funiculars around, but Pittsburgh has two!

Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

The wooden airship was the largest flying boat ever built.

Home of Howard Hughes' Spruce Goose.

A 36-ton remnant of the last Ice Age now resides amid picturesque vineyards.

This 85-foot-long table is made from a single slice of an old-growth Douglas Fir.

World's largest porcine hairball sits in a collection maintained by Benedictine monks.

A 19th-century architectural wonder designed by the "father of the skyscraper."