Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

This building contains handprints that are well over a century old.

The location where the American Revolution ended.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

Beautiful scenery, history, science, and physics come together in this remnant of shipping lore.

A charming remnant of 19th-century fishing towns sits on Michigan’s Leelanau Peninsula.

This resort community was known as the "Black Eden of Michigan."

When beetles destroyed these trees, they found new life as fantasy sculptures.

Home to over 300 antique cars and motorcycles, including Thomas Edison's Model A.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

An important Mayan religious and trading center dating back to 200 BC.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

These markers are used to determine the ground stability of the Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

This super steep hike ascends 2,000 feet in less than a mile.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

European castle ruins in an American state park are actually the product of death and grief.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."