A stairway to heaven, or to nowhere at all.

"The most colorful grottoes of the world.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Where once there was a train station bathroom, there is now this German burger joint.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

A beautiful red-faced slot canyon in northern New Mexico.

A museum in rural Queensland wrongly claims that dinosaur fossils possess evidence that the earth is only 10,000 years old.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

At the turn of the 20th century, the Minnehaha County courthouse played host to sensational public divorce trials.

Named after an outlaw who used the basin as a hideout.

Outsider art meets paleontology at this roadside reptile repository.

A volcanic landmark located on an Ice age lake bed.

A volcanic cone that formed over 600 years ago.

Eat like a "buckaroo" at this remote restaurant.

An institution dedicated to the towering buildings that make up skylines in New York City and around the world.

At one of the nation’s longest-running professional theaters, the audience used to barter for tickets with produce and livestock.

The viewpoint for this attractive, off-the-beaten-path waterfall is reached by a paved, wheelchair-accessible trail.

An interesting look into 18th-century American history.

This historic stone gate tower is now just a lonely relic in the middle of a swamp.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

Ancient paintings known as the "Sistine Chapel of Cave Art."