Sniff the Titan Arum's rotting flesh.

Tubing through a cave lit with glowworms is a magical underground experience.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

When ecosystems collide in the arid Southwest.

Erotic art covers the walls of the largest ancient pleasure palace.

An extensive collection of ancient Egyptian artifacts and mummies.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Quite simply the largest tree in the world (by volume).

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

A snapshot of the city's fascinating voodoo culture.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

The most famous location in China was home to whole dynasties worth of imperial rulers.

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

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Medicinal spa created with the discharge from a geothermal energy plant.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Hear the quietest sound from across the dome.