The world's first ice hotel is still one of the most elaborate and beautiful.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

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

Despite sitting firmly in the global cradle of the Church of Jesus Christ of Latter-day Saints, this Hare Krishna temple is host to one of the largest color festivals outside India.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

This ghost town in Belgium will lose its street art when it ceases to exist.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

World War II-era Nazi compound nestled in the Santa Monica hills.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

The crumbling ruins of this southern American fort have survived storms, war, and cults.

One of the oldest restaurants in the Seychelles.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

The largest single concentration of harmless garter snakes in the world is a writhing Canadian serpent orgy.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Hollowed out cedar log tubs set in an ancient towering forest.

Venture into the hideout of one of Hong Kong's legendary pirates.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

An abandoned cyanide mill is now a haunting magnet for graffiti and illegal parties.

Seller of surplus nuclear research materials.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Despite the groans of archaeologists, this astounding groups of Bronze Age petroglyphs have been painted red for tourists.