The final resting place of the world's first nuclear reactor.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Huge abstract sculptures of the Puerto Rican Flag.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

Illegal drag racing two stories beneath Chicago’s streets.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

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

A hot dog stand where the heads are just as hot as the dogs.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Sip cherry liqueur at a bar dating back to 1840.

This giant sculpture made of trash is a critique of society's wastefulness.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This historic streetcar system has been running since the 19th-century.

Elaborate tile work in this railway station tells the story of Portugal.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

A hidden three-foot-wide house separates these two regal churches.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.