Relics of the 1894 Midwinter Exposition continue to delight visitors today.

One man's homage to the sun continues to grow like a glass fractal.

America's most famous piece of self-built architecture.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The legendary building that needed ghostly approval before being built.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A 140-year-old castle with underground caves hidden in San Francisco.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A psychedelic labyrinth on the San Francisco bay.

In the middle of Calvary Cemetery stands this singular memorial to a small boy who died too young.

A small Chicago museum filled with thousands of preserved butterflies, beetles, and more.

Burial mounds of prehistoric Native Americans who lived along the DuPage River.

A collection of haunted objects and macabre oddities under one roof.

The best Tiki bar in Las Vegas.

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

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

The Devil’s own choice when he needs a drink in Brussels.

Lavish royal estate punctuated with heated greenhouses.

A huge old mansion full of thousands of toys, each there to be used and played with.

Drink among marionettes at this pub inside a historic puppet theater.