Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Extraordinary rock formations in open Peruvian fields.

The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.

The Uros people live on floating reed islands in lake Titicaca.

Huge stone depressions which may have acted as an Incan agricultural experiment.

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Nordic giants resurrected from the sea and restored to their former greatness.

The decaying remains of a 1960s mechanical wonderland that never officially closed.

This Denmark theme park is part family attraction, part experimental archaeology project.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

Four alabaster giants contemplate the tides on the shore of Denmark.

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

The world's largest maze is a nature park with nearly 200 decision points.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

A natural wonder in south Denmark.

Old Danish castle immortalized in Shakespeare's Hamlet.