A super-sized promotional trick that is now a D.C. landmark.

The house where John Wilkes Booth conspired with his co-conspirators.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

An Industrial Revolution-era public work that purified water using nothing but sand.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

This 100-foot tall bluff located in the western plains of Kansas overlooks a massive reservoir.

Get up close with some alligators at this roadside farm attraction.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

A haunted hill that supposedly defied gravity.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

Raised illegally, Reggie now lives at the Los Angeles Zoo after authorities spent years tracking him down.

Tirelessly maintained by a Wisconsin man named JFK.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The floating gallery illuminates the heart of Québec City's arts district.

The world's largest Tibetan refugee settlement.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

Eight feet in diameter and more than 24 feet around.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

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

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

A remarkably opulent mansion with a tragic history.