The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Quite simply the largest tree in the world (by volume).

Four hundred granite steps were built into this massive rock by the National Park Service.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The only road through the heart of Glacier National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

The world's longest known cave system.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A fitting attraction for the corn capital of the world.