Places meltingknight Wants to Go

Two waterfalls flow down the cliff faces decorated with rare natural basalt columns.

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

The famous artist couple lived and worked here, in two different houses connected by a bridge.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

Mexico's astounding mummy museum with "the world's smallest mummy."

This fantastical house shaped like a seashell brings aquatic design to architecture.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

66,000 pieces of art, donated by one of the world's richest men.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

These azure waters were thought to lead to the Mayan Underworld.

A gargantuan crystal kingdom.

A model memorial to the original Odin Tower, the second highest tower in Europe before it was sabotaged by Danish Nazis.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

Old Danish castle immortalized in Shakespeare's Hamlet.

Copenhagen's celebrated theme park and gardens.

The remains of the observatory of the Danish astronomer who first measured the speed of light.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

A small museum houses a long, rich history of life and death on Lake Erie — from famous shipwrecks to rum smugglers.

The ruins of a rehabilitation center for World War II vets can be found in the Westminster Ponds Conservation area.

This lonely bronze walrus celebrates a character in a Lewis Carroll poem.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.