The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

World's most expensive home.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

Known as the leaning temple, the sacred structure has somehow developed a severe nine-degree slant.

An ancient iron pillar in Delhi that seems to be rustproof.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

The last remaining colonial-era Italian church in Old Goa.

Scholar, adventurer, saint, and instigator of the Goa Inquisition.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

The magic's in the hole!

These unusual rooms on wheels are holdovers from the 1960s.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

A former major munitions plant that has been converted into a sprawling art space.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The romance of early commercial flight still fills this Art Deco destination.

At 207 feet, one of the world's longest continuous escalators.

The national park was once a plantation estate.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

A rotating cast of guys and dolls in front of a Washington, D.C. building.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.