A modernist landscape of water and sci-fi concrete.

Crumbling hotel echoes with the sounds of the '30s.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

The 10,000 Torii shrine.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

A spooky defunct railroad tunnel now part of a sprawling trail.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Half of a waterfall goes into the river while the other half seems to disappear.

This 19th-century museum inside of a lighthouse is only accessible during low tide.

One of the oldest and tallest lighthouses still in service on Lake Michigan.

In 1953, a group of Wisconsin high school students helped build a hospital by collecting over a million pennies.

The largest drain hole in the world.

Art Deco stylings conceal the true nature of this bridge.

Behold the uncanny sight of the Golden Arches—rendered in black.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.