A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

This charmingly homemade amusement park has been growing for 40 years.

Home of Howard Hughes' Spruce Goose.

100 massive sculptures in the Hudson River Valley.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The vast, legendary catacombs hold secrets much stranger than stacked bones.

More than 5,000 contemporary and "historic" mustards from around the world.

Portlandia is the second-largest copper repoussé statue in the United States.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

Over 12,000 hygiene oriented objects and exhibits.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Sniff the Titan Arum's rotting flesh.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The magic's in the hole!

A battle between nature and architecture in the Cambodian jungle.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.