Tiny castle in the middle of the Rhine made you pay to pass.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The second oldest continuously operating bar in Louisiana.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

See massive fossils that are over 200 million years old in northeastern Arizona.

A geological mystery on Camelback Mountain.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A fitting attraction for the corn capital of the world.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A small but immensely extravagant palace built by the "Night King."

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

These pretty kitties killed and ate as many as 135 railway workers.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

A bizarre house filled with an astounding array of collections.

Statue dedicated to the star of an old television show.

A six-story-tall golden pyramid, surrounded by a moat.