The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A museum marks and documents the site of the Titanic's launch.

Commemorating the spot where the famous scientist fed his pigeons.

An artist's cute bronze subway sculptures belie his violent artistic past.

The celebrated eyesore created by starry-eyed sweethearts.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

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