The only structure left with direct ties to the Salem witchcraft trials of 1692.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

An experimental, automotive replica of Stonehenge.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Every president in history is immortalized in bronze in downtown Rapid City.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A fitting attraction for the corn capital of the world.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

A miniature city built by a single hunchbacked monk.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Enormous lake at the bottom of a unique cave system.

A winding district gerrymandered into the shape of a mantis.

The land is home to swimming ponies and a legendary 18th-century treasure.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

When you can't get to the Pacific, just go to Florida.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

Inside, ancient treasures. Outside, modern contradictions.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

An art deco ice cream shop covered in vintage tiles.