America's most famous piece of self-built architecture.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A bizarre house filled with an astounding array of collections.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Dramatic river bend surrounds a natural red-rocked pedestal.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A psychedelic labyrinth on the San Francisco bay.

One of the Treasury Building's original columns now sits as a garden monument in the middle of a busy military base.

At Brandy Station, Civil War soldiers left their mark on the battlefield and the walls of this small wooden house.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.

This former office building has been transformed into an immersive music venue and art space.

Nature and art meet in this curvy creation

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

A gregarious Ohio resident has been building his whimsical temple to peace for decades.