This lake in the Cascades lives up to its name, disappearing down a hole every spring.

Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

This frequently-photographed waterfall takes only a short hike to visit.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

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

This natural marble cave is one of only five national monuments in Oregon.

Spiral labyrinth hidden in the hills above Oakland, CA.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

The exorbitant price of paradise.

When the sun sets, the customers arrive—but they’re not human.

The largest known Ancient Egyptian obelisk.

Try the frozen treat that inspired Arrested Development's famous banana stand.

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

A former sanitarium where soldiers were sent to recover in the healing waters of hot springs.

This cemetery is one of the last remaining traces of a drowned old Western town.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A memorial for the mustachioed record-setting runner.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A fountain standing as a testament to a doomed alliance.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

A marvel of Byzantine engineering under the streets of Istanbul.

International delicatessen has been owned and operated by the same family for more than 110 years.

The forgotten tomb of the Peruvian rubber baron who was the inspiration for Werner Herzog's epic film "Fitzcarraldo."