Places WilliamRCrichton Wants to Go

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Ancient snack bar of the Roman Empire re-opened.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Every equinox this Maya pyramid puts on a spooky ancient light show.

The modern birthplace of Irish freedom.

A museum dedicated to the alleged Roswell Incident.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

The unbelievably opulent home built for an infamous newspaperman.

When ecosystems collide in the arid Southwest.

Northern Ireland's Brobdingnagian stepping stones.

The final resting place of soldiers' loyal canine companions.

Belly up to the bar in Cowtown, don't forget to buy some boots.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

An exotic wildlife habitat right off The Strip.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

The most famous location in China was home to whole dynasties worth of imperial rulers.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A six-ton wedding present for the King of the Scots.

It houses the remains of a 17th-century version of the Titanic.

A sharp bend in a dramatic river canyon cut through red rocks.