Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

Two standing giants remain as a tribute to Luxembourg's metallurgical past.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

A slice of central Asia in the middle of Berlin.

Tubing through a cave lit with glowworms is a magical underground experience.

The Brutalist building harbors an unusual inverted dome that swoops down over its central sacred room.

Norway's national monument to fallen seamen.

The world's largest moose statue towers above the highway between Oslo and Trondheim.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

This museum glorifies the humble potato.

This set of hot springs also comes with fantastic views.

This work of art by Matthew Mazzotta resides in this park dedicated to the first black legislator in Idaho.

A black cottonwood gets a second life as a home for books.

Jail from the 19th century that was built by inmates.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

A Hawaiian stairway to heaven—that you can't climb.

Dramatic river bend surrounds a natural red-rocked pedestal.