A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

A lovely hidden waterfall right off the highway is well worth a stop.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

Paranormal activity on the great lakes.

A large circus museum with summer performances.

A theme park attraction designed to turn your children into LARPers.

A place to eat for on-the-run agents and espionage enthusiasts.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

A bust of the first president welcomes visitors to the only town in America called George, Washington.

This playground sculpture of an icon from the past is dedicated to the children of the future.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

Site of the greatest known waterfall that ever existed.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

An obscure waterfall that looks like something out of a fantasy novel.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.