Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

A cemetery housing wild west legends in South Dakota.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

100 year tradition of fist fights, marked by marble footsteps.

A monument celebrating the idea of reaching inaccessible places.

The only road through the heart of Glacier National Park.

Commonly acknowledged as the only public monument to the Devil himself.

A massive sea stack famous for its appearance in The Goonies.

Few other hotels can rival the grandeur of the Castle in the Rockies.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

On stormy days debris from this unfinished and abandoned skyscraper rains down on the Bangkok streets.

One woman's Viking Castle on Lake Tahoe.

Home to the deepest rift anywhere on Earth.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The curious underground history of keeping Paris clean.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.