A boardwalk winds above this beautiful bog full of wildlife and a rare type of turtle.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

Stunning ruins of what was once the center of one of the greatest empires in East Africa.

Breathtaking Byzantine paintings cover the inside of this 12th-century church.

The Grand Canyon of Texas.

A stunning hermit's shrine on a steep rocky spur in Northern Italy.

Explore the quarry where the marble was sourced for Michaelangelo's David.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

The reason for the strange contortions in the trunks of these "drunken" pine trees in Russia is still a mystery.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

A unique hotel for the artistic soul.

Canada’s surprisingly controversial monument to Dwight Eisenhower.

An ever-growing literary collection housed in the apartment where the Russian author penned his final novel.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.