This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

The ruins of an ancient Zoroastrian Tower of Silence believed to be the earliest example of the traditional funerary practice.

Come for the boats, stay to explore the intriguing assortment of art.

Sleep in a glass pod dangling off a cliff.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Once where royalty entertained guests, this opulent table is now one of the longest in the world.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

This mountain tram provides stunning views while hanging from a single, steel thread.

The house's confection-like decorations are the result of one man's painstaking work over decades.

Giant cauldrons overflow with Uzbekistan's favorite rice dish at this cavernous dining hall.

Frozen in Norway, vended in Singapore.

Collection of fossils, plants, and ancient animals encased in amber.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

Flames have been burning within this mountain for more than 2,500 years.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

It's home to the antenna that received the first images of Neil Armstrong walking on the moon.

An otherworldly musical haven in The Big Easy.

Tour the sci-fi-esque reality of governmental disease management.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

A massive work of modern art that appears to be a crop circle in the middle of the desert.