Turning night into day in Victorian-era Austin to thwart a serial killer.

An exquisite grouping of structures made from 10 tons of invasive saplings.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

The largest permanent Monopoly board makes one of the longest games even bigger.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

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

Man-made geyser that rises to the exact height of the Gateway Arch.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Take a drunken tour inside the world's largest known geode.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Pluto is still considered a planet in Ithaca, New York.

These etchings reveal the history of a long-gone quarantine site.

This large cemetery is known as the museum of granite sculptures.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

House used in the 1971 horror film "Let's Scare Jessica to Death."

This picturesque abandoned home is rumored to be a spite house.

This folk art dinosaur was almost pushed to extinction due to lack of a building permit.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

A Nessie-like monster supposedly lurks in this lake.

A building so large that it has its own weather.