A bizarre house filled with an astounding array of collections.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This cave holds a surprisingly colorful variety of geological oddities.

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

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

This lakefront cottage was crafted in the 1800s and was once a sanitorium.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

The tunnel that runs beneath this former inn was once a hiding place for enslaved people seeking freedom.

A miraculous natural phenomenon known as "the spring that breathes."

This pebble beach is so beautiful that taking its rocks is against the law.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

The humble field where the first Major League Baseball game was played.

In the early 1800s, surgery was also a show.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

A colorful architectural gem in Seattle's uniquely modern Central Library.

This former coal gasification plant found a curious second life as a popular public park.

Robots, lasers, and whoopee cushions, oh my!

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

The second oldest continuously operating bar in Louisiana.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.