One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

An enormous park-like oasis, full of famous Chicagoans’ graves.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Seven flags adorn this Texas museum, one for each of the powers that have ruled the area.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Fossils, railroads, and waterfalls!

The only road through the heart of Glacier National Park.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

The most visited, and possibly most controversial, museum in Germany.

Outsider art meets hard scrabble mountain life in this woodcarver's home/art piece.

A gas station has taken the place of the home of the 19th American President.

This small museum is kept in a house that was integral to the genesis of Uncle Tom's Cabin.

The largest earthwork effigy in the world.

Abandoned rock quarry now a haven for mountain bikers and hikers.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

One of the largest collections of holy relics in the country.