An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

One man is on a singular quest to name an island after a famous hip-hop artist.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

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

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Less a museum than a bizarre fantasy world created by artists and engineers.

Man-made geyser that rises to the exact height of the Gateway Arch.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

Lone survivor from Custer's Last Stand forever preserved.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

An oil baron's wild paradise and the winner of an ill-fated air race.

One of New York's most iconic authors is strangely honored by this Oklahoma park.

These massive mitts are made of 30 tons of devotional bronze.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."