The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

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

The prototype for all Nazi concentration camps.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This blowhole is supposedly caused by a trapped monster.

Statue commemorating the use of ether in anesthesia.

The homestead of American patriot John Adams.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.

The highest point in Washington state is a volcano covered in glaciers.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Old submarine parts have been converted into faux whale fins.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

This gold-winged spire celebrates the first true flight around the world.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

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

An architect's childhood fantasy treehouse made real.

A beautiful geyser under environmental threat.

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

A cemetery housing wild west legends in South Dakota.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Visit the monolithic tomb of America's most famous general.